I am very much a TravisCI beginner. That said, I maintain python package mplfinance and run a TravisCI test suite for every Pull Request for Py36, 37 and 38. Beginning in January 2021, the Py37 tests began failing consistently with the error:
ERROR: pandas 1.2.0 has requirement numpy>=1.16.5, but you'll have numpy 1.16.4 which is incompatible.
Here’s the thing: For each PR, we run a script that individually checks out and installs the package first from the PR, and then from the version currently in the repository, and does some comparison of the two versions. This works fine for py36 and py38, and before January worked fine for Py37. Here is an example of it working fine for Py37 prior to January:
https://travis-ci.org/github/matplotlib/mplfinance/jobs/751128518
In the above link you can see the following
Collecting pandas
Using cached pandas-1.1.5-cp37-cp37m-manylinux1_x86_64.whl (9.5 MB)
Collecting python-dateutil>=2.1
Using cached python_dateutil-2.8.1-py2.py3-none-any.whl (227 kB)
Collecting cycler>=0.10
Using cached cycler-0.10.0-py2.py3-none-any.whl (6.5 kB)
Requirement already satisfied: numpy>=1.15 in /home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages (from matplotlib->mplfinance==0.12.7a4) (1.16.4)
Notice that in installs pandas 1.1.5 and numpy 1.16.4
Beginning in January this is what I see:
Example:
https://travis-ci.org/github/matplotlib/mplfinance/jobs/753110408
Collecting pandas
Using cached pandas-1.2.0-cp37-cp37m-manylinux1_x86_64.whl (9.9 MB)
Collecting kiwisolver>=1.0.1
Using cached kiwisolver-1.3.1-cp37-cp37m-manylinux1_x86_64.whl (1.1 MB)
Collecting pillow>=6.2.0
Using cached Pillow-8.1.0-cp37-cp37m-manylinux1_x86_64.whl (2.2 MB)
Requirement already satisfied: numpy>=1.15 in /home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages (from matplotlib->mplfinance==0.12.7a5) (1.16.4)
Now it is installing pandas 1.2.0, and initially it seems satisfied with numpy 1.16.4, but then later in the file I see
ERROR: pandas 1.2.0 has requirement numpy>=1.16.5, but you'll have numpy 1.16.4 which is incompatible.
- Does anyone have any ideas what I can do about this?
Much appreciated. Thank you.