Updating minimum Python version to 3.9.0 (#336)

Co-authored-by: Vincent Raymond <[email protected]>
Co-authored-by: Adarsh Pyarelal <[email protected]>

environment.yml

@@ -23,7 +23,7 @@ dependencies:
   - openssl=1.1.1i=h2bbff1b_0
   - pip=20.3.3=py37haa95532_0
   - pygraphviz=1.5=py37_0
-  - python=3.7.9=h60c2a47_0
+  - python=3.9.0=h6244533_2
   - scipy=1.5.2=py37h9439919_0
   - setuptools=51.0.0=py37haa95532_2
   - six=1.15.0=py37haa95532_0

setup.py

@@ -42,7 +42,7 @@
         "Intended Audience :: Science/Research",
         "Topic :: Scientific/Engineering :: Artificial Intelligence",
         "License :: OSI Approved :: Apache Software License",
-        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     keywords="assembling models from software",
     packages=find_packages(),
@@ -85,7 +85,7 @@
         "fastparquet"
     ],
     extras_require=EXTRAS_REQUIRE,
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     entry_points={
         "console_scripts": [
             "codex = automates.apps.CodeExplorer.app:main",