Fix for 4.0.1.

Author: sf-tyler-jeong

analysis_options.yaml

@@ -0,0 +1,26 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
+
+
+## Defines a default set of lint rules enforced for
+## projects at Google. For details and rationale,
+## see https://github.com/dart-lang/pedantic#enabled-lints.
+#include: package:pedantic/analysis_options.yaml
+#
+## For lint rules and documentation, see http://dart-lang.github.io/linter/lints.
+## Uncomment to specify additional rules.
+#linter:
+#  rules:
+#    prefer_final_fields: false
+#    unawaited_futures: false
+#
+#analyzer:
+#  exclude:
+#    - example
+#    - lib/**/*.g.dart
+
+analyzer:
+  exclude:
+    - lib/**/*.g.dart