Make Mypy happy (#222)

jstasiak · web-flow · commit f1a659c9866f · 2023-06-29T02:41:59.000+02:00
We're assigning to an attribute Mypy doesn't know about. The error it
raised:

    injector/__init__.py:862: error: "FunctionType" has no attribute "__binding__"  [attr-defined]
    Found 1 error in 1 file (checked 1 source file)
diff --git a/injector/__init__.py b/injector/__init__.py
@@ -859,7 +859,7 @@ def __call__(self, binder: Binder) -> None:
                             % (function.__name__, type(self), e)
                         ) from e
                     return_type = annotations['return']
-                    binding = function.__func__.__binding__ = Binding(
+                    binding = cast(Any, function.__func__).__binding__ = Binding(
                         interface=return_type, provider=binding.provider, scope=binding.scope
                     )
                 bind_method = binder.multibind if binding.is_multibinding() else binder.bind

Original file line number	Diff line number	Diff line change
`@@ -859,7 +859,7 @@ def __call__(self, binder: Binder) -> None:`
`859`	`859`	`% (function.__name__, type(self), e)`
`860`	`860`	`) from e`
`861`	`861`	`return_type = annotations['return']`
`862`		`- binding = function.__func__.__binding__ = Binding(`
	`862`	`+ binding = cast(Any, function.__func__).__binding__ = Binding(`
`863`	`863`	`interface=return_type, provider=binding.provider, scope=binding.scope`
`864`	`864`	`)`
`865`	`865`	`bind_method = binder.multibind if binding.is_multibinding() else binder.bind`