Adding back instance variable to remove CI errors

Author: ryankarlos

pandas/io/stata.py

@@ -1053,6 +1053,7 @@ def _read_new_header(self, first_char):
 
         self.nobs = self._get_nobs()
         self.path_or_buf.read(11)  # </N><label>
+        self.data_label = self._get_data_label()
         self.path_or_buf.read(19)  # </label><timestamp>
         self.time_stamp = self._get_time_stamp()
         self.path_or_buf.read(26)  # </timestamp></header><map>