Enable Python 3.9 & 3.10 tests

Author: master

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8]
+        python-version: ["3.8", "3.9", "3.10"]
 
     steps:
     - uses: actions/checkout@v2

requirements.txt

@@ -1,2 +1,3 @@
-tensorflow
-keras
+tensorflow<2.12.0
+keras<2.12.0
+protobuf<3.20,>=3.9.2

setup.py

@@ -10,7 +10,7 @@
     author="Oleg Smirnov",
     author_email="[email protected]",
     packages=find_packages(),
-    install_requires=["tensorflow", "keras"],
+    install_requires=["tensorflow<2.12.0", "keras<2.12.0", "protobuf<3.20,>=3.9.2"],
     python_requires=">=3.6.0",
     url="https://github.com/master/tensorflow-riemopt",
     zip_safe=True,