CI: add black check

Author: albop

.github/workflows/ci.yaml

@@ -25,8 +25,8 @@ jobs:
       - name: Install Poetry
         uses: Gr1N/setup-poetry@v4
 
-      # - name: Code Quality
-      #   run: poetry run black . --check
+      - name: Code Quality
+        run: poetry run black . --check
 
       - name: Install dependencies
         run: poetry install

dolang/__init__.py

@@ -2,5 +2,11 @@
 from dolang.yaml_tools import yaml
 
 from dolang.grammar import parse_string
-from dolang.grammar import stringify, list_variables, list_symbols, time_shift, steady_state
-from dolang.grammar import str_expression
+from dolang.grammar import (
+    stringify,
+    list_variables,
+    list_symbols,
+    time_shift,
+    steady_state,
+)
+from dolang.grammar import str_expression