🧪💅 Lower-case bools in MyPy config

Author: webknjaz

.mypy.ini

@@ -1,34 +1,34 @@
 [mypy]
 python_version = 3.8
-color_output = True
-error_summary = True
+color_output = true
+error_summary = true
 files =
   packaging/,
   tests/,
   yarl/
 
-# check_untyped_defs = True
+# check_untyped_defs = true
 
-# disallow_untyped_calls = True
-# disallow_untyped_defs = True
-# disallow_any_generics = True
+# disallow_untyped_calls = true
+# disallow_untyped_defs = true
+# disallow_any_generics = true
 
 enable_error_code =
   ignore-without-code
 
 follow_imports = normal
 
-ignore_missing_imports = False
+ignore_missing_imports = false
 
 pretty = true
 
 show_column_numbers = true
 show_error_codes = true
-strict_optional = True
+strict_optional = true
 
-warn_no_return = True
-warn_redundant_casts = True
-warn_unused_ignores = True
+warn_no_return = true
+warn_redundant_casts = true
+warn_unused_ignores = true
 
 [mypy-Cython.*]
 ignore_missing_imports = true