fix check credentials in loop

ereuse_devicehub/modules/oidc/views.py

@@ -258,6 +258,7 @@ class AllowCodeOidc4vpView(GenericMixin):
             'Content-Type': 'application/json',
             'Authorization': f'Bearer {WALLET_INX_EBSI_PLUGIN_TOKEN}'
         }
+        for v in vcredential:
             data = json.dumps({
                 "type": "VerificationRequest",
                 "jwtCredential": vcredential[0]
@@ -267,15 +268,22 @@ class AllowCodeOidc4vpView(GenericMixin):
                 headers=headers,
                 data=data
             )
-
             if result.status_code != 200:
                 return
 
             vps = json.loads(result.text)
+            try:
+                roles = vps['credential']['credentialSubject'].get('role')
+            except Exception:
+                roles = None
+
+            if roles:
+                break
+
         if not vps.get('verified'):
             return
 
-        return vps['credential']['credentialSubject'].get('role')
+        return roles
 
     def get_response_uri(selfi, roles):
         code = Code2Roles(roles=roles)