Fix repr regression

Author: oschwald

HISTORY.rst

@@ -3,6 +3,12 @@
 History
 -------
 
+2.1.1
+++++++++++++++++++
+
+* Fix minor regression in ``repr`` output of ``maxminddb.reader.Metadata``
+  in 2.1.0.
+
 2.1.0 (2021-09-18)
 ++++++++++++++++++
 

maxminddb/reader.py

@@ -331,5 +331,5 @@ def search_tree_size(self) -> int:
         return self.node_count * self.node_byte_size
 
     def __repr__(self):
-        args = ", ".join(f"{k}={v}" for k, v in self.__dict__.items())
+        args = ", ".join(f"{k}={v!r}" for k, v in self.__dict__.items())
         return f"{self.__module__}.{self.__class__.__name__}({args})"