error management

1 files changed, 4 insertions, 4 deletions

diff --git a/talermerchantdemos/httpcommon/__init__.py b/talermerchantdemos/httpcommon/__init__.py
index b9d7e35..0584cba 100644
--- a/talermerchantdemos/httpcommon/__init__.py
+++ b/talermerchantdemos/httpcommon/__init__.py
@@ -14,7 +14,7 @@ LOGGER = logging.getLogger(__name__)
 class BackendException(Exception):
     """Exception for failed communication with the Taler merchant backend"""
 
-    def __init__(self, message, backend_status=None, backend_json=None):
+    def __init__(self, message, backend_status=None, backend_json={}):
         super().__init__(backend_json.get("hint", message))
         self.backend_status = backend_status
         self.backend_json = backend_json
@@ -41,9 +41,9 @@ def backend_post(backend_url, endpoint, json, auth_token=None):
         )
     try:
         response_json = resp.json()
-    except ValueError:
+    except Exception:
         raise BackendException(
-            message=gettext("Could not parse response from backend"),
+            message=gettext("Could not parse the response from backend"),
             backend_status=resp.status_code,
         )
     if resp.status_code != 200:
@@ -81,7 +81,7 @@ def backend_get(backend_url, endpoint, params, auth_token=None):
         )
     try:
         response_json = resp.json()
-    except ValueError:
+    except Exception:
         raise BackendException(message=gettext("Could not parse response from backend"))
     if resp.status_code != 200:
         raise BackendException(