[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/rfc3986/api.py

@@ -36,7 +36,7 @@ def uri_reference(uri: str, encoding: str = "utf-8") -> URIReference:
     return URIReference.from_string(uri, encoding)
 
 
-def iri_reference(iri: str, encoding: str= "utf-8") -> IRIReference:
+def iri_reference(iri: str, encoding: str = "utf-8") -> IRIReference:
     """Parse a IRI string into an IRIReference.
 
     This is a convenience function. You could achieve the same end by using