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Conda cannot find package despite package being listed on anaconda.org

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I am trying to install zipline-reloaded using conda but am encountering a PackagesNotFoundError—this despite running the install command for zipline-reloaded provided on the package's page on anaconda.org. What might be going wrong here, and how can I resolve it?

My steps this far:

  1. conda create -n zipline python=3.8
  2. conda activate zipline
  3. conda install -c ml4t zipline-reloaded (this is directly from the package's page on anaconda.org, linked above, but raises PackagesNotFoundError)

Note that trying to install, e.g., scipy, yields no similar error. Also, using mamba instead of conda leads to the same PackagesNotFoundError error.

The output of conda info is below:

active environment : zipline
active env location : /opt/homebrew/Caskroom/miniforge/base/envs/zipline
shell level : 1
user config file : /Users/name/.condarc
populated config files : /opt/homebrew/Caskroom/miniforge/base/.condarc
                         /Users/name/.condarc
conda version : 22.9.0
conda-build version : not installed
python version : 3.9.15.final.0
virtual packages : __osx=12.4=0
                   __unix=0=0
                   __archspec=1=arm64
base environment : /opt/homebrew/Caskroom/miniforge/base  (writable)
conda av data dir : /opt/homebrew/Caskroom/miniforge/base/etc/conda
conda av metadata url : None
channel URLs : https://conda.anaconda.org/ml4t/osx-arm64
               https://conda.anaconda.org/ml4t/noarch
               https://conda.anaconda.org/conda-forge/osx-arm64
               https://conda.anaconda.org/conda-forge/noarch
               https://repo.anaconda.com/pkgs/main/osx-arm64
               https://repo.anaconda.com/pkgs/main/noarch
               https://repo.anaconda.com/pkgs/r/osx-arm64
               https://repo.anaconda.com/pkgs/r/noarch
               https://conda.anaconda.org/ranaroussi/osx-arm64
               https://conda.anaconda.org/ranaroussi/noarch
package cache : /opt/homebrew/Caskroom/miniforge/base/pkgs
                /Users/name/.conda/pkgs
envs directories : /opt/homebrew/Caskroom/miniforge/base/envs
                   /Users/name/.conda/envs
platform : osx-arm64
user-agent : conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
UID:GID : 501:20
netrc file : None
offline mode : False

I've tried running:

conda clean -all
conda clean --index-cache
conda update conda

I've also made sure to set offline mode to false (conda config --set offline false), which it is, per the output above.

Finally, running conda search -c ml4t zipline-reloaded -vvv outputs:

DEBUG conda.gateways.logging:set_verbosity(236): verbosity set to 3
Loading channels: ...working... TRACE conda.gateways.disk.test:file_path_is_writable(24): checking path is writable /opt/homebrew/Caskroom/miniforge/base/pkgs/urls.txt
DEBUG conda.core.package_cache_data:_check_writable(268): package cache directory '/opt/homebrew/Caskroom/miniforge/base/pkgs' writable: True
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://conda.anaconda.org/ml4t/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/b4814506.json
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://conda.anaconda.org/ml4t/noarch/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/091140c5.json
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://repo.anaconda.com/pkgs/r/noarch/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/4ea078d6.json
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://conda.anaconda.org/ranaroussi/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/639ecbbd.json
DEBUG conda.core.subdir_data:_load(267): Using cached repodata for https://conda.anaconda.org/conda-forge/noarch/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/09cdf8bf.json. Timeout in 42 sec
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://repo.anaconda.com/pkgs/r/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/8bd55712.json
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://repo.anaconda.com/pkgs/main/noarch/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/3e39a7aa.json
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/09cdf8bf.q
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://conda.anaconda.org/ranaroussi/noarch/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/f2f1db2e.json
DEBUG conda.core.subdir_data:_load(267): Using cached repodata for https://conda.anaconda.org/conda-forge/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/a850f475.json. Timeout in 37 sec
DEBUG conda.core.subdir_data:_load(273): Local cache timed out for https://repo.anaconda.com/pkgs/main/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/9e99ffaf.json
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/a850f475.q
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): conda.anaconda.org:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): conda.anaconda.org:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): conda.anaconda.org:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): conda.anaconda.org:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG urllib3.connectionpool:_new_conn(1003): Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG urllib3.connectionpool:_make_request(456): https://conda.anaconda.org:443 "GET /ml4t/osx-arm64/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /ml4t/osx-arm64/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Sun, 27 Nov 2022 23:15:46 GMT

<<HTTPS 304 Not Modified
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< Date: Thu, 01 Dec 2022 06:28:16 GMT
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< Strict-Transport-Security: max-age=31536000
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< Connection: keep-alive
< Elapsed: 00:00.374252


DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://conda.anaconda.org/ml4t/osx-arm64/repodata.json'. Updating mtime and loading from disk
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/b4814506.json
DEBUG urllib3.connectionpool:_make_request(456): https://conda.anaconda.org:443 "GET /ranaroussi/osx-arm64/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /ranaroussi/osx-arm64/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Sat, 10 Jul 2021 20:29:09 GMT

<<HTTPS 304 Not Modified
< CF-Cache-Status: DYNAMIC
< CF-Ray: 7729c305b931c436-EWR
< Date: Thu, 01 Dec 2022 06:28:16 GMT
< Server: cloudflare
< Set-Cookie: __cf_bm=L8JbFm6EySvGhs3b0c54CFobV5MnnDkLYszHBXNbkOE-1669876096-0-AXqlxjWUQxlASGQq2FDCPHAie99ZATvZmSa+RepV64uBbnR2GAeRM3oe+VMrkj23RXFUNlC8xP/j689pu+kPxuVwr5M1u96nKabCLWSujD5q; path=/; expires=Thu, 01-Dec-22 06:58:16 GMT; domain=.anaconda.org; HttpOnly; Secure; SameSite=None
< Strict-Transport-Security: max-age=31536000
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< Elapsed: 00:00.449782


DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://conda.anaconda.org/ranaroussi/osx-arm64/repodata.json'. Updating mtime and loading from disk
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/639ecbbd.json
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/b4814506.q
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/639ecbbd.q
DEBUG urllib3.connectionpool:_make_request(456): https://conda.anaconda.org:443 "GET /ml4t/noarch/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /ml4t/noarch/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Sun, 27 Nov 2022 23:15:46 GMT

<<HTTPS 304 Not Modified
< CF-Cache-Status: DYNAMIC
< CF-Ray: 7729c306acba17a5-EWR
< Date: Thu, 01 Dec 2022 06:28:17 GMT
< Server: cloudflare
< Set-Cookie: __cf_bm=OUlfjhiwUIls5GRrkrvx_gSvGNQ8jSFq4C4FQHuUEkI-1669876097-0-AeZAUF8zYwue32HP8rVUfV7ws8cYe8P/MZIXlS5tWbRONDfIemqH4Ze4eE1R6UuAdqaqqw/Rh2jJscMkBWdApRdTtKFIYda2yA5HJ44Urw+N; path=/; expires=Thu, 01-Dec-22 06:58:17 GMT; domain=.anaconda.org; HttpOnly; Secure; SameSite=None
< Strict-Transport-Security: max-age=31536000
< Vary: Accept-Encoding
< Connection: keep-alive
< Elapsed: 00:00.531916


DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://conda.anaconda.org/ml4t/noarch/repodata.json'. Updating mtime and loading from disk
DEBUG urllib3.connectionpool:_make_request(456): https://repo.anaconda.com:443 "GET /pkgs/r/osx-arm64/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /pkgs/r/osx-arm64/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Fri, 19 Aug 2022 21:27:22 GMT
> If-None-Match: W/"bd18071599942dd824e1ec40e9d10873"

<<HTTPS 304 Not Modified
< Age: 70484
< Cache-Control: public, max-age=30
< CF-Cache-Status: HIT
< CF-RAY: 7729c306daf41899-EWR
< Date: Thu, 01 Dec 2022 06:28:17 GMT
< ETag: "bd18071599942dd824e1ec40e9d10873"
< Expires: Thu, 01 Dec 2022 06:28:47 GMT
< Last-Modified: Tue, 03 May 2022 07:57:20 GMT
< Server: cloudflare
< Set-Cookie: __cf_bm=JAZuB9kuZKjDvy1WXV.IHe1gCAnfEEZIs2uQ0YOh.nY-1669876097-0-AcbFb9BTBsrUintQD6w4DP0qheARYSHDdmj1IfpgfRRjTdJlAeFbjfAQhX/8gthx2K7VCEDYMRtjVnJGkgyCwUw=; path=/; expires=Thu, 01-Dec-22 06:58:17 GMT; domain=.anaconda.com; HttpOnly; Secure; SameSite=None
< Vary: Accept-Encoding
< x-amz-id-2: fY9HZBoI/58riYlxXBQEYfV8bKmFamLhAbhZ0J9i5X/O76LU6Xv7DmrLw/lA4gHYZlTeq3dMEDM=
< x-amz-request-id: YY7S26ZWVFSN8T0M
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< Connection: keep-alive
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DEBUG urllib3.connectionpool:_make_request(456): https://repo.anaconda.com:443 "GET /pkgs/main/osx-arm64/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://repo.anaconda.com/pkgs/r/osx-arm64/repodata.json'. Updating mtime and loading from disk
DEBUG urllib3.connectionpool:_make_request(456): https://repo.anaconda.com:443 "GET /pkgs/main/noarch/repodata.json HTTP/1.1" 304 0
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/091140c5.json
DEBUG urllib3.connectionpool:_make_request(456): https://repo.anaconda.com:443 "GET /pkgs/r/noarch/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /pkgs/main/osx-arm64/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Wed, 30 Nov 2022 19:20:01 GMT
> If-None-Match: W/"1d4ef7661a7ed1933c0a6c41ba4cc425"

<<HTTPS 304 Not Modified
< Age: 39940
< Cache-Control: public, max-age=30
< CF-Cache-Status: HIT
< CF-RAY: 7729c306dadbc431-EWR
< Date: Thu, 01 Dec 2022 06:28:17 GMT
< ETag: "1d4ef7661a7ed1933c0a6c41ba4cc425"
< Expires: Thu, 01 Dec 2022 06:28:47 GMT
< Last-Modified: Wed, 30 Nov 2022 19:20:01 GMT
< Server: cloudflare
< Set-Cookie: __cf_bm=7x27GyPAJ_UqkTJ5ao1cZqqBeayN2Vq_70IaoJpxzR8-1669876097-0-ATY8FjtZs8mdSSsf4qFxF152kwLQLqkVqwVancCZTg2qapMhP1+FEa/52Z+AOF4oswA3GiYn7Uix0Aw73CW0GRs=; path=/; expires=Thu, 01-Dec-22 06:58:17 GMT; domain=.anaconda.com; HttpOnly; Secure; SameSite=None
< Vary: Accept-Encoding
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TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/8bd55712.json
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /pkgs/main/noarch/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Tue, 29 Nov 2022 16:03:07 GMT
> If-None-Match: W/"6e04ba60f4112b8b66a702155b149789"

<<HTTPS 304 Not Modified
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< CF-Cache-Status: HIT
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< Date: Thu, 01 Dec 2022 06:28:17 GMT
< ETag: "6e04ba60f4112b8b66a702155b149789"
< Expires: Thu, 01 Dec 2022 06:28:47 GMT
< Last-Modified: Tue, 29 Nov 2022 16:03:07 GMT
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< Vary: Accept-Encoding
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< Elapsed: 00:00.530062


DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /pkgs/r/noarch/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Fri, 28 Oct 2022 15:33:23 GMT
> If-None-Match: W/"93476d5e7aa8d3f8bc0c04afafc94d26"

<<HTTPS 304 Not Modified
< Age: 485667
< Cache-Control: public, max-age=30
< CF-Cache-Status: HIT
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< Date: Thu, 01 Dec 2022 06:28:17 GMT
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< Server: cloudflare
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< Elapsed: 00:00.531401


DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://repo.anaconda.com/pkgs/main/osx-arm64/repodata.json'. Updating mtime and loading from disk
DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://repo.anaconda.com/pkgs/main/noarch/repodata.json'. Updating mtime and loading from disk
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/091140c5.q
DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://repo.anaconda.com/pkgs/r/noarch/repodata.json'. Updating mtime and loading from disk
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/9e99ffaf.json
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/4ea078d6.json
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/3e39a7aa.json
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/8bd55712.q
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/4ea078d6.q
DEBUG urllib3.connectionpool:_make_request(456): https://conda.anaconda.org:443 "GET /ranaroussi/noarch/repodata.json HTTP/1.1" 304 0
DEBUG conda.core.subdir_data:fetch_repodata_remote_request(530): 
>>GET /ranaroussi/noarch/repodata.json HTTPS
> User-Agent: conda/22.9.0 requests/2.28.1 CPython/3.9.15 Darwin/21.5.0 OSX/12.4
> Accept: application/json
> Accept-Encoding: gzip, deflate, compress, identity
> Connection: keep-alive
> If-Modified-Since: Sat, 10 Jul 2021 20:29:09 GMT

<<HTTPS 304 Not Modified
< CF-Cache-Status: DYNAMIC
< CF-Ray: 7729c306eae4c44f-EWR
< Date: Thu, 01 Dec 2022 06:28:17 GMT
< Server: cloudflare
< Set-Cookie: __cf_bm=z8IMtaIACkUQIrN4AAyFQZdV13R.rBlauiHJyaXMD84-1669876097-0-AeYOO899tSB0BSkyr1RX+7rzFGl8/m2XUWEw0WLe4gaVuzuEzaTXes5vpeUhvoSew0ZVOGdKRcf404U90fpX+srJDKTNNlvNf+wjflTXFgmU; path=/; expires=Thu, 01-Dec-22 06:58:17 GMT; domain=.anaconda.org; HttpOnly; Secure; SameSite=None
< Strict-Transport-Security: max-age=31536000
< Vary: Accept-Encoding
< Connection: keep-alive
< Elapsed: 00:00.645770


DEBUG conda.core.subdir_data:_load(292): 304 NOT MODIFIED for 'https://conda.anaconda.org/ranaroussi/noarch/repodata.json'. Updating mtime and loading from disk
TRACE conda.gateways.disk.update:touch(132): touching path /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/f2f1db2e.json
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/9e99ffaf.q
DEBUG conda.core.subdir_data:_read_pickled(375): Pickle load validation failed for https://repo.anaconda.com/pkgs/r/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/8bd55712.json.
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/3e39a7aa.q
DEBUG conda.core.subdir_data:_read_local_repdata(330): Loading raw json for https://repo.anaconda.com/pkgs/r/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/8bd55712.json
DEBUG conda.core.subdir_data:_read_pickled(357): found pickle file /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/f2f1db2e.q
DEBUG conda.core.subdir_data:_pickle_me(316): Saving pickled state for https://repo.anaconda.com/pkgs/r/osx-arm64/repodata.json at /opt/homebrew/Caskroom/miniforge/base/pkgs/cache/8bd55712.q
done
No match found for: zipline-reloaded. Search: *zipline-reloaded*
Traceback (most recent call last):
  File "/opt/homebrew/Caskroom/miniforge/base/lib/python3.9/site-packages/conda/exceptions.py", line 1129, in __call__
    return func(*args, **kwargs)
  File "/opt/homebrew/Caskroom/miniforge/base/lib/python3.9/site-packages/conda/cli/main.py", line 86, in main_subshell
    exit_code = do_call(args, p)
  File "/opt/homebrew/Caskroom/miniforge/base/lib/python3.9/site-packages/conda/cli/conda_argparse.py", line 93, in do_call
    return getattr(module, func_name)(args, parser)
  File "/opt/homebrew/Caskroom/miniforge/base/lib/python3.9/site-packages/conda/cli/main_search.py", line 89, in execute
    raise PackagesNotFoundError((str(spec),), channels_urls)
conda.exceptions.PackagesNotFoundError: The following packages are not available from current channels:

This is a duplicate of this question, but none of the solutions outlined there solve the issue.

python anaconda conda mini-forge
Original Q&A
2

There are 2 best solutions below

0
On

You are trying to install onto a mac with an arm processor (see platform : osx-arm64 in the output of conda info). But https://anaconda.org/ml4t/zipline-reloaded shows the channel you are attempting to install from does not have an osx-arm64 build.

0
On

Will Holtz was right in pointing out that the problem stems from my being on an M1 Mac and there not yet being a build of zipline-reloaded for M1 Macs. A full answer, however, would also give a resolution. The solution below, copied from here, did the trick for me:

CONDA_SUBDIR=osx-64 conda create -n [environment]  # create a new environment
conda activate [environment]
conda env config vars set CONDA_SUBDIR=osx-64  # subsequent commands use intel packages

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