fix check on streamlit filter for pd deprecation

src/streamlit_filter.py

@@ -1,7 +1,6 @@
 # https://blog.streamlit.io/auto-generate-a-dataframe-filtering-ui-in-streamlit-with-filter_dataframe/
 
 from pandas.api.types import (
-    is_categorical_dtype,
     is_datetime64_any_dtype,
     is_numeric_dtype,
     is_object_dtype,
@@ -48,7 +47,7 @@ def filter_dataframe(df: pd.DataFrame, force_on: bool = False, force_on_columns:
         for column in to_filter_columns:
             left, right = st.columns((1, 20))
             # Treat columns with < 17 unique values as categorical
-            if is_categorical_dtype(df[column]) or df[column].nunique() < 50:
+            if isinstance(df[column].dtype, pd.CategoricalDtype) or df[column].nunique() < 50:
                 user_cat_input = right.multiselect(
                     f"Values for {column}",
                     df[column].unique(),