Adding json functions

tests/test_mail.py

 import os
 import sys
+import socket
 sys.path.append(os.path.realpath('../softwares/'))
 
-import mailer.mail_templates as ms
+import mailer.mail_templates as ms # noqa E402
 
 
 # ensures that the connection is timed out after 1 second (in cases the test is not
 # launched on the proper network
-import socket
-socket.setdefaulttimeout(1.0) 
+socket.setdefaulttimeout(1.0)
 
 
 def test_empty_mail():
-    assert ms.send_mail("","") == 0
-    assert ms.send_mail("","1234") == 0
+    assert ms.send_mail("", "") == 0
+    assert ms.send_mail("", "1234") == 0
 
-#assert ms.send_mail("julien.david@lipn.univ-paris13.fr","1234") == -1
+# assert ms.send_mail("julien.david@lipn.univ-paris13.fr","1234") == -1