Fix yield-from type mismatch in iterate_python_lines

Author: dhanusharer

mypy/checkexpr.py

@@ -1,6 +1,11 @@
 """Expression type checker. This file is conceptually part of TypeChecker."""
 
 from __future__ import annotations
+<<<<<<< HEAD
+=======
+
+from mypy.types import Instance, get_proper_type
+>>>>>>> d76cb3e76 (Fix iterator element type extraction for yield from)
 
 import enum
 import itertools

mypy/report.py

@@ -147,7 +147,8 @@ def iterate_python_lines(path: str) -> Iterator[tuple[int, str]]:
     """Return an iterator over (line number, line text) from a Python file."""
     if not os.path.isdir(path):  # can happen with namespace packages
         with tokenize.open(path) as input_file:
-            yield from enumerate(input_file, 1)
+            for item in enumerate(input_file, 1):
+                yield item
 
 
 class FuncCounterVisitor(TraverserVisitor):