fixed tempfile calls for py3

Author: Eugeny

ajenti-dev-multitool

@@ -232,7 +232,7 @@ include requirements.txt
 
     if 'pre_build' in info:
         logging.info('  -> running pre-build script')
-        f = tempfile.NamedTemporaryFile(delete=False)
+        f = tempfile.NamedTemporaryFile(delete=False, mode='w')
         try:
             f.write(info['pre_build'])
             f.close()

setup.py

@@ -4,7 +4,7 @@
 
 setup(
     name='ajenti-dev-multitool',
-    version='1.1.12',
+    version='1.1.13',
     python_requires='>=3',
     install_requires=[
         'coloredlogs',