Fix GitHub workflow (#7)

* quote python versions so they are properly parsed

* get Iterable from collections.abc to address error in 3.10, fix pre-commit issue

.github/workflows/run-tests.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.7, 3.8, 3.9, 3.10]
+        python: ['3.7', '3.8', '3.9', '3.10']
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python

.pre-commit-config.yaml

@@ -10,13 +10,16 @@ repos:
     -  id: debug-statements
     -  id: name-tests-test
        args:
-           - "--django"
+            - "--django"
 -   repo: https://gitlab.com/pycqa/flake8.git
     rev: 3.7.9
     hooks:
     -  id: flake8
 -   repo: https://github.com/pre-commit/mirrors-mypy.git
-    rev: v0.761
+    rev: v0.931
     hooks:
     -  id: mypy
-       args: [--ignore-missing-imports]
+       args:
+            - "--install-types"
+            - "--non-interactive"
+            - "--ignore-missing-imports"

d20/Manual/Shell.py

@@ -1,6 +1,7 @@
 import sys
 import cmd
 import collections
+import collections.abc
 import datetime
 import copy
 import yaml
@@ -54,7 +55,7 @@ def prettyList(data: Dict, debug: bool = False) -> str:
         filler: int = len(key) - hwidth
         if (isinstance(
                 value,
-                collections.Iterable) and not isinstance(value, str)):
+                collections.abc.Iterable) and not isinstance(value, str)):
             table += "%s %*s\n" % (key, filler, '')
             for d in value:
                 table += "%*s %*s%s\n" % (len(key), '', filler, '', d)