fix: Handle None response in get_edgar_taxonomies and update content type checks in EdgarSession

Author: areed1192

edgar/datasets.py

@@ -85,6 +85,9 @@ def get_edgar_taxonomies(self) -> list[dict]:
             endpoint='/info/edgar/edgartaxonomies.xml'
         )
 
+        if response is None:
+            return []
+
         response = self.edgar_parser.parse_loc_elements(
             response_text=response
         )

edgar/session.py

@@ -254,7 +254,12 @@ def make_request(
                 return response.json()
             elif any(
                 ct in content_type
-                for ct in ["application/atom+xml", "text/xml", "text/html"]
+                for ct in [
+                    "application/atom+xml",
+                    "application/xml",
+                    "text/xml",
+                    "text/html",
+                ]
             ):
                 return response.text
 

tests/test_to_dataframe.py

@@ -4,9 +4,10 @@
 
 from unittest.mock import patch
 
-import pandas as pd
 import pytest
 
+pd = pytest.importorskip("pandas", reason="pandas required for DataFrame tests")
+
 from edgar.models import (
     Fact,
     Facts,