Fix: add download stats to kb logs. (#11112)

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

agent/component/__init__.py

@@ -13,7 +13,6 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 #
-import logging
 import os
 import importlib
 import inspect
@@ -53,7 +52,7 @@ def component_class(class_name):
     for module_name in ["agent.component", "agent.tools", "rag.flow"]:
         try:
             return getattr(importlib.import_module(module_name), class_name)
-        except Exception as e:
-            logging.warning(f"Can't import module: {module_name}, error: {e}")
+        except Exception:
+            # logging.warning(f"Can't import module: {module_name}, error: {e}")
             pass
     assert False, f"Can't import {class_name}"