files were formatted correctly

ohsome/clients.py

@@ -5,6 +5,7 @@
 import json
 import os
 from urllib.parse import urljoin
+import datetime as dt
 
 import requests
 from requests.adapters import HTTPAdapter
@@ -122,7 +123,11 @@ def start_timestamp(self):
         """
         if self._metadata is None:
             self._query_metadata()
-        return self._metadata["extractRegion"]["temporalExtent"]["fromTimestamp"]
+        return dt.datetime.fromisoformat(
+            self._metadata["extractRegion"]["temporalExtent"]["fromTimestamp"].strip(
+                "Z"
+            )
+        )
 
     @property
     def end_timestamp(self):
@@ -132,8 +137,9 @@ def end_timestamp(self):
         """
         if self._metadata is None:
             self._query_metadata()
-        return self._metadata["extractRegion"]["temporalExtent"]["toTimestamp"]
-        # return dt.datetime.fromisoformat(end_timestamp.strip("Z"))
+        return dt.datetime.fromisoformat(
+            self._metadata["extractRegion"]["temporalExtent"]["toTimestamp"].strip("Z")
+        )
 
     @property
     def api_version(self):

ohsome/test/test_client.py

@@ -17,13 +17,11 @@
 logger = logging.getLogger(__name__)
 
 
-def test_start_and_end_timestamp(base_client):
-    """
-    Get start timestamp
-    :return:
-    """
-    assert base_client.start_timestamp == "2007-10-08T00:00:00Z"
-    assert isinstance(base_client.end_timestamp, str)
+def test_start_time_is_datetime(base_client):
+    """Test if the start_timestamp is in datetime format."""
+
+    assert isinstance(base_client.start_timestamp, dt.datetime)
+    assert isinstance(base_client.end_timestamp, dt.datetime)
 
 
 def test_api_version(base_client):