matplotlib
diff --git a/‎lib/matplotlib/_type1font.py
Copy file name to clipboardExpand all lines: lib/matplotlib/_type1font.py
+1-1Lines changed: 1 addition & 1 deletion b/‎lib/matplotlib/_type1font.py
Copy file name to clipboardExpand all lines: lib/matplotlib/_type1font.py
+1-1Lines changed: 1 addition & 1 deletion
@@ -658,7 +658,7 @@ def _parse_charstrings(
             token = next(tokens)
             if not token.is_keyword(self._abbr['RD']):
                 raise RuntimeError(
-                    "Token preceding charstring must be {self._abbr['RD']}, "
+                    f"Token preceding charstring must be {self._abbr['RD']}, "
                     f"was {token}"
                 )
             binary_token = tokens.send(1+nbytes_token.value())