Fix doc build failure due to SQLAlchemy changes. #6208

docs/en_US/build_code_snippet.py

@@ -14,7 +14,7 @@ root = os.path.realpath(
 
 if sys.path[0] != root:
     sys.path.insert(0, root)
-
+import config
 from pgadmin.utils import PgAdminModule
 
 target = open('code_snippets.rst', 'w')

pkg/pip/setup_pip.py

@@ -48,7 +48,12 @@ for index, req in enumerate(all_requires):
         requires.append(req)
 
 # Get the version
-config = load_source('APP_VERSION', '../web/config.py')
+path = '../web/'
+if not os.path.exists(path):
+    print("ERROR: Could not find %s" % path)
+    sys.exit(1)
+sys.path.append(path)
+import config
 
 setup(
     name='pgadmin4',