Correctly handle escaped underscores.

Author: domdfcoding

flake8_params/__init__.py

@@ -181,7 +181,7 @@ def get_docstring_args(docstring: str) -> Iterator[str]:
 	for line in docstring.split('\n'):
 		line = line.strip()
 		if line.startswith(":param"):
-			yield line[6:].split(':', 1)[0].strip().replace(r"\*", '*')
+			yield line[6:].split(':', 1)[0].strip().replace(r"\*", '*').replace(r"\_", '_')
 
 
 class Visitor(flake8_helper.Visitor):

tests/example_code.py

@@ -408,3 +408,13 @@ def duplicated_params(tree: list) -> None:
 	:param tree:
 	:param tree:
 	"""
+
+
+def has_underscores(foo, bar, baz_):
+	r"""
+	Does something.
+
+	:param foo:
+	:param bar:
+	:param baz\_:
+	"""