diff --git a/monai/apps/pathology/handlers/__init__.py b/monai/apps/pathology/handlers/__init__.py
new file mode 100644
index 0000000000..3a788ffa26
--- /dev/null
+++ b/monai/apps/pathology/handlers/__init__.py
@@ -0,0 +1,12 @@
+# Copyright 2020 - 2021 MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .prob_map_producer import ProbMapProducer
diff --git a/monai/apps/pathology/handlers.py b/monai/apps/pathology/handlers/prob_map_producer.py
similarity index 100%
rename from monai/apps/pathology/handlers.py
rename to monai/apps/pathology/handlers/prob_map_producer.py