diff --git a/autotests/samplefiles/testexternalextractor/main.py b/autotests/samplefiles/testexternalextractor/main.py
index 5fa3e78..b3e7631 100755
--- a/autotests/samplefiles/testexternalextractor/main.py
+++ b/autotests/samplefiles/testexternalextractor/main.py
@@ -1,26 +1,23 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 import sys
-import subprocess
-import os.path
-import os
 import json
 
 extractor_data = json.loads(sys.stdin.read())
 
 def extract():
      path = extractor_data.get('path')
      mimetype = extractor_data.get('mimetype')
 
      doc = open(path)
 
      return_value = {}
      return_value['properties'] = {}
      return_value['properties']['text'] = doc.read()
      return_value['status'] = 'OK'
      return_value['error'] = ''
 
      print(json.dumps(return_value))
 
 if __name__ == "__main__":
     extract()
diff --git a/autotests/samplefiles/testexternalwriter/main.py b/autotests/samplefiles/testexternalwriter/main.py
index ece8fa6..4c46980 100755
--- a/autotests/samplefiles/testexternalwriter/main.py
+++ b/autotests/samplefiles/testexternalwriter/main.py
@@ -1,26 +1,23 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 import sys
-import subprocess
-import os.path
-import os
 import json
 
 writer_data = json.loads(sys.stdin.read())
 
 def write():
      path = writer_data.get('path')
      mimetype = writer_data.get('mimetype', '')
      properties = writer_data.get('properties', '')
 
      output = open(path, 'w')
      output.write(json.dumps(properties))
 
      return_status = {}
      return_status['status'] = 'OK'
      return_status['error'] = ''
 
      print(json.dumps(return_status))
 
 if __name__ == "__main__":
     write()