Set params to empty dict as None is the wrong type

materialsintelligence · Jul 9, 2019 · 650e915 · 650e915
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commit 650e915
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diff --git a/pybliometrics/scopus/author_retrieval.py b/pybliometrics/scopus/author_retrieval.py
@@ -249,7 +249,7 @@ def get_coauthors(self):
         coauthor groups.
         """
         # Get number of authors to search for
-        res = download(url=self.coauthor_link, accept='json')
+        res = download(url=self.coauthor_link)
         data = loads(res.text)['search-results']
         N = int(data.get('opensearch:totalResults', 0))
         # Store information in namedtuples

diff --git a/pybliometrics/scopus/utils/get_content.py b/pybliometrics/scopus/utils/get_content.py
@@ -55,7 +55,7 @@ def detect_id_type(sid):
     return id_type
 
 
-def download(url, params=None, **kwds):
+def download(url, params={}, **kwds):
     """Helper function to download a file and return its content.
 
     Parameters