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additional defer() to offset the effect of using the type before decl… (#424)

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* additional defer() to offset the effect of using the type before declaring

* linter fix

* linter fix

* linter fix

* test case

Co-authored-by: Kacper Szmigiel <szmigielkacper@gmai.com>
This commit is contained in:
Kacper
2020-07-13 15:31:13 +02:00
committed by GitHub
parent f16d1b8cb6
commit 92ef5d9d95
2 changed files with 27 additions and 0 deletions
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5
mypy_django_plugin/lib/helpers.py
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@@ -343,6 +343,7 @@ def copy_method_to_another_class(ctx: ClassDefContext, self_type: Instance,
arguments = []
bound_return_type = semanal_api.anal_type(method_type.ret_type,
allow_placeholder=True)
assert bound_return_type is not None
if isinstance(bound_return_type, PlaceholderNode):
@@ -352,6 +353,10 @@ def copy_method_to_another_class(ctx: ClassDefContext, self_type: Instance,
method_type.arg_types[1:],
method_node.arguments[1:]):
bound_arg_type = semanal_api.anal_type(arg_type, allow_placeholder=True)
if bound_arg_type is None and not semanal_api.final_iteration:
semanal_api.defer()
return
assert bound_arg_type is not None
if isinstance(bound_arg_type, PlaceholderNode):