Revert "show that it works with cryptography main"

This reverts commit fb0136a.

Author: mhils

.github/workflows/ci.yml

@@ -67,6 +67,7 @@ jobs:
     strategy:
       matrix:
         TEST:
+          - {CONTAINER: "ubuntu-bionic", TOXENV: "py36"}
           # cryptographyMain used since there's no wheel
           - {CONTAINER: "ubuntu-rolling", TOXENV: "py39-cryptographyMain"}
     name: "${{ matrix.TEST.TOXENV }} on ${{ matrix.TEST.CONTAINER }}"

setup.py

@@ -96,7 +96,7 @@ def find_meta(meta):
         package_dir={"": "src"},
         install_requires=[
             # Fix cryptographyMinimum in tox.ini when changing this!
-            "cryptography>=36.0",
+            "cryptography>=37.0",
         ],
         extras_require={
             "test": ["flaky", "pretend", "pytest>=3.0.1"],

tox.ini

@@ -10,7 +10,7 @@ extras =
 deps =
     coverage>=4.2
     cryptographyMain: git+https://github.com/pyca/cryptography.git
-    cryptographyMinimum: cryptography==36.0
+    cryptographyMinimum: cryptography==37.0
     randomorder: pytest-randomly
 setenv =
     # Do not allow the executing environment to pollute the test environment