"Не найдено подходящего распределения для anaconda-client == 1.7.2" в Heroku

Question

Я попытался отправить sh app.py Героку и потерпел неудачу. Вот что показывает журнал:

-----> Python app detected
-----> Installing python-3.6.10
-----> Installing pip
-----> Installing SQLite3 Sqlite3 successfully installed.
-----> Installing requirements with pip
       Collecting absl-py==0.9.0 (from -r /tmp/build_a6ab3be35e5d9223208eb2bd7406ef4c/requirements.txt (line 1))
         Downloading https://files.pythonhosted.org/packages/1a/53/9243c600e047bd4c3df9e69cfabc1e8004a82cac2e0c484580a78a94ba2a/absl-py-0.9.0.tar.gz (104kB)
       Collecting alabaster==0.7.12 (from -r /tmp/build_a6ab3be35e5d9223208eb2bd7406ef4c/requirements.txt (line 2))
         Downloading https://files.pythonhosted.org/packages/10/ad/00b090d23a222943eb0eda509720a404f531a439e803f6538f35136cae9e/alabaster-0.7.12-py2.py3-none-any.whl
       Collecting anaconda-client==1.7.2 (from -r /tmp/build_a6ab3be35e5d9223208eb2bd7406ef4c/requirements.txt (line 3))
         Could not find a version that satisfies the requirement anaconda-client==1.7.2 (from -r /tmp/build_a6ab3be35e5d9223208eb2bd7406ef4c/requirements.txt (line 3)) (from versions: 1.1.1, 1.2.2)
       No matching distribution found for anaconda-client==1.7.2 (from -r /tmp/build_a6ab3be35e5d9223208eb2bd7406ef4c/requirements.txt (line 3))  !     Push rejected, failed to compile Python app.  !     Push failed

Может кто-нибудь сказать мне, что нужно сделать?