Remove f-strings for Py2.7 and 3.5 support

python-attrs · Jul 12, 2021 · a85ab29 · a85ab29
1 parent bc540b5
commit a85ab29
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/attr/converters.py b/src/attr/converters.py
@@ -149,4 +149,4 @@ def to_bool(val):
     except TypeError:
         # Raised when "val" is not hashable (e.g., lists)
         pass
-    raise ValueError(f"Cannot convert value to bool: {val}")
+    raise ValueError("Cannot convert value to bool: {}".format(val))