Merge pull request #548 from bashtage/future-pandas

MAINT: Update for future changes in pandas

Author: bashtage

linearmodels/tests/panel/test_between_ols.py

@@ -274,7 +274,8 @@ def test_2way_cluster(data):
     clusters.loc[:, :] = 0
     clusters = clusters.astype(np.int32)
     for entity in mod.dependent.entities:
-        clusters.loc[entity, :] = np.random.randint(33, size=(1, 2))
+        locations = np.random.randint(33, size=(1, 2))
+        clusters.loc[entity] = locations.astype(clusters.dtypes.iloc[0])
 
     res = mod.fit(cov_type="clustered", clusters=clusters, debiased=False)
 

linearmodels/tests/panel/test_panel_ols.py

@@ -1376,7 +1376,7 @@ def test_repeated_measures_weight():
     res = mod.fit()
     mod = PanelOLS.from_formula("y ~ x + EntityEffects + TimeEffects", df)
     res_un = mod.fit()
-    assert res.params[0] != res_un.params[0]
+    assert res.params.iloc[0] != res_un.params.iloc[0]
 
 
 def test_absorbed(absorbed_data):