Pin pandas below v2 and add test which fails if we upgrade badly

Author: krivard

_delphi_utils_python/setup.py

@@ -14,7 +14,7 @@
     "mock",
     "moto",
     "numpy",
-    "pandas>=1.1.0",
+    "pandas>=1.1.0,<2",
     "pydocstyle",
     "pylint==2.8.3",
     "pytest",

_delphi_utils_python/tests/test_geomap.py

@@ -275,6 +275,10 @@ def test_add_geocode(self, geomapper):
         new_data = geomapper.add_geocode(self.zip_data, "zip", "state_code")
         new_data2 = geomapper.add_geocode(new_data, "state_code", "nation")
         assert new_data2["nation"].unique()[0] == "us"
+        new_data = geomapper.replace_geocode(self.zip_data, "zip", "state_code")
+        new_data2 = geomapper.add_geocode(new_data, "state_code", "state_id", new_col="state")
+        new_data3 = geomapper.replace_geocode(new_data2, "state_code", "nation", new_col="geo_id")
+        assert "state" not in new_data3.columns
 
         # state_code -> hhs
         new_data = geomapper.add_geocode(self.zip_data, "zip", "state_code")