strip datestamp to get the correct datetype

Author: nicokant

pygeometa/schemas/gbif_eml/__init__.py

@@ -81,7 +81,8 @@ def import_(self, metadata):
             "metadata": {
                 "charset": "utf8",
                 "hierarchylevel": "dataset",
-                "datestamp": text_or_null(dataset.find("pubDate")) or "$date$",
+                "datestamp": text_or_null(dataset.find("pubDate"), strip=True)
+                or "$date$",
             },
             "identification": {},
             "contact": {},