Fix flake8 E731 (#1842)

pola-rs · Nov 21, 2021 · 5717aa4 · 5717aa4
1 parent 627375d
commit 5717aa4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/py-polars/polars/__init__.py b/py-polars/polars/__init__.py
@@ -4,7 +4,10 @@
 try:
     from polars.polars import version
 except ImportError as e:
-    version = lambda: ""
+
+    def version() -> str:
+        return ""
+
     # this is only useful for documentation
     warnings.warn("polars binary missing!")