Fixed exclude_attributes problem.

Author: rohe

src/cryptojwt/key_jar.py

@@ -626,6 +626,17 @@ def copy(self):
     def __len__(self):
         return len(self._issuers)
 
+    def _dump_issuers(self,
+                      exclude_issuers: Optional[List[str]] = None,
+                      exclude_attributes: Optional[List[str]] = None
+                      ):
+        _issuers = {}
+        for _id, _issuer in self._issuers.items():
+            if exclude_issuers and _issuer.name in exclude_issuers:
+                continue
+            _issuers[_id] = _issuer.dump(exclude_attributes=exclude_attributes)
+        return _issuers
+
     def dump(
         self,
         exclude_issuers: Optional[List[str]] = None,
@@ -655,13 +666,12 @@ def dump(
                 except KeyError:
                     pass
 
-        if "issuers" not in exclude_attributes:
-            _issuers = {}
-            for _id, _issuer in self._issuers.items():
-                if exclude_issuers and _issuer.name in exclude_issuers:
-                    continue
-                _issuers[_id] = _issuer.dump(exclude_attributes=exclude_attributes)
-            info["issuers"] = _issuers
+        if exclude_attributes is None:
+            info["issuers"] = self._dump_issuers(exclude_issuers=exclude_issuers,
+                                                 exclude_attributes=exclude_attributes)
+        elif "issuers" not in exclude_attributes:
+            info["issuers"] = self._dump_issuers(exclude_issuers=exclude_issuers,
+                                                 exclude_attributes=exclude_attributes)
 
         return info