fix: fix Pandas deprecation warning in unit tests, closes #705

igraph · Sep 4, 2023 · f0287f5 · f0287f5
1 parent a9c7d90
commit f0287f5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/igraph/io/objects.py b/src/igraph/io/objects.py
@@ -418,8 +418,8 @@ def _construct_graph_from_dataframe(
 
     if use_vids:
         if (
-            str(edges.dtypes[0]).startswith(("int", "Int"))
-            and str(edges.dtypes[1]).startswith(("int", "Int"))
+            str(edges.dtypes.iloc[0]).startswith(("int", "Int"))
+            and str(edges.dtypes.iloc[1]).startswith(("int", "Int"))
         ):
             # Check pandas nullable integer data type:
             # https://pandas.pydata.org/docs/user_guide/integer_na.html