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-rw-r--r--talersurvey/survey/survey.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/talersurvey/survey/survey.py b/talersurvey/survey/survey.py
index e143aa4..7a71ded 100644
--- a/talersurvey/survey/survey.py
+++ b/talersurvey/survey/survey.py
@@ -140,8 +140,10 @@ def backend_post(endpoint, json):
# @param params (dict type of) URL parameters to append to the request.
# @return the JSON response from the backend, or a error response
# if something unexpected happens.
-def backend_get(endpoint, params):
+def backend_get(endpoint, params=None):
headers = {"Authorization": "ApiKey " + APIKEY}
+ if params is None:
+ params = dict()
try:
resp = requests.get(
urljoin(BACKEND_URL, endpoint), params=params, headers=headers