strip microseconds in text.parse_datetime()

gallery_dl/text.py

@@ -252,10 +252,13 @@ def parse_datetime(date_string, format="%Y-%m-%dT%H:%M:%S%z", utcoffset=0):
         o = d.utcoffset()
         if o is not None:
             # convert to naive UTC
-            d = d.replace(tzinfo=None) - o
-        elif utcoffset:
-            # apply manual UTC offset
-            d += datetime.timedelta(0, utcoffset * -3600)
+            d = d.replace(tzinfo=None, microsecond=0) - o
+        else:
+            if d.microsecond:
+                d = d.replace(microsecond=0)
+            if utcoffset:
+                # apply manual UTC offset
+                d += datetime.timedelta(0, utcoffset * -3600)
         return d
     except (TypeError, IndexError, KeyError):
         return None