add missing import to model template

.changeset/add_missing_cast_import_when_using_const.md

@@ -0,0 +1,7 @@
+---
+default: patch
+---
+
+# Add missing `cast` import when using `const`
+
+Fixed by PR #1072. Thanks @dorcohe!

.gitignore

@@ -24,6 +24,9 @@ dmypy.json
 # JetBrains
 .idea/
 
+# Visual Studio Code
+.vscode/
+
 test-reports/
 
 /coverage.xml

openapi_python_client/parser/properties/const.py

@@ -115,6 +115,6 @@ def get_imports(self, *, prefix: str) -> set[str]:
         if self.required:
             return {"from typing import Literal"}
         return {
-            "from typing import Literal, Union",
+            "from typing import Literal, Union, cast",
             f"from {prefix}types import UNSET, Unset",
         }