[platform] missing import in Python launcher (IDEA-224186)

GitOrigin-RevId: 16c5863d9269ffa71752a3cc5e10f1a1923c9d30

platform/platform-resources/intellij.platform.resources.iml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module relativePaths="true" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="Python" name="Python">
+      <configuration sdkName="Python 3.7" />
+    </facet>
+  </component>
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
@@ -10,5 +15,6 @@
     <orderEntry type="module" module-name="intellij.platform.util" scope="RUNTIME" />
     <orderEntry type="module" module-name="intellij.platform.lvcs.impl" scope="RUNTIME" />
     <orderEntry type="module" module-name="intellij.json" scope="RUNTIME" />
+    <orderEntry type="library" name="Python 3.7 interpreter library" level="application" />
   </component>
 </module>

platform/platform-resources/src/launcher.py

@@ -1,10 +1,13 @@
 #!/usr/bin/env $PYTHON$
 # -*- coding: utf-8 -*-
 
+#  Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+
 import os
 import socket
 import struct
 import sys
+import traceback
 
 # see com.intellij.idea.SocketLock for the server side of this interface