More fixes

Author: DifferentialOrange

tarantool/connection_pool.py

@@ -234,11 +234,11 @@ def _send_with_reload_on_ro_error(self, mode, method_name, *args, **kwargs):
 
     def call(self, func_name, *args, **kwargs):
         mode = kwargs.get('mode', Mode.PREFER_RW)
-        return self.send_with_reload_on_ro_error('call', mode, func_name, *args)
+        return self._send_with_reload_on_ro_error(mode, 'call', func_name, *args)
 
     def eval(self, expr, *args, **kwargs):  
         mode = kwargs.get('mode', Mode.PREFER_RW)
-        return self.send_with_reload_on_ro_error('eval', mode, expr, *args)
+        return self._send_with_reload_on_ro_error(mode, 'eval', expr, *args)
 
     def replace(self, space_name, values):
         raise NotImplementedError