Escape sequence

Author: phofl

pandas/tests/indexing/interval/test_interval.py

@@ -65,10 +65,10 @@ def test_non_matching(self):
 
         # this is a departure from our current
         # indexing scheme, but simpler
-        with pytest.raises(KeyError, match="^\[-1\]$"):
+        with pytest.raises(KeyError, match=r"^\[-1\]$"):
             s.loc[[-1, 3, 4, 5]]
 
-        with pytest.raises(KeyError, match="^\[-1\]$"):
+        with pytest.raises(KeyError, match=r"^\[-1\]$"):
             s.loc[[-1, 3]]
 
     @pytest.mark.arm_slow