add app into server required packages

python/setup.py.server.in

@@ -38,12 +38,9 @@ max_version, mid_version, min_version = python_version()
 
 REQUIRED_PACKAGES = [
     'six >= 1.10.0', 'protobuf >= 3.1.0',
-    'paddle_serving_client', 'flask >= 1.1.1'
+    'paddle_serving_client', 'flask >= 1.1.1', 'paddle_serving_app'
 ]
 
-if not find_package("paddlepaddle") and not find_package("paddlepaddle-gpu"):
-    REQUIRED_PACKAGES.append("paddlepaddle")
-
 packages=['paddle_serving_server',
           'paddle_serving_server.proto']
 

python/setup.py.server_gpu.in

@@ -38,11 +38,9 @@ max_version, mid_version, min_version = python_version()
 
 REQUIRED_PACKAGES = [
     'six >= 1.10.0', 'protobuf >= 3.1.0',
-    'paddle_serving_client', 'flask >= 1.1.1'
+    'paddle_serving_client', 'flask >= 1.1.1', 'paddle_serving_app'
 ]
 
-if not find_package("paddlepaddle") and not find_package("paddlepaddle-gpu"):
-    REQUIRED_PACKAGES.append("paddlepaddle") 
 
 packages=['paddle_serving_server_gpu',
           'paddle_serving_server_gpu.proto']