diff --git a/check_imap_login.py b/check_imap_login.py
old mode 100644
new mode 100755
index 621f06d..b8f0a42
--- a/check_imap_login.py
+++ b/check_imap_login.py
@@ -15,20 +15,20 @@
 import sys, os, imaplib, getopt
 
 def usage():
-    print "-u <user>"
-    print "-p <password>"
-    print "-s use SSL"
-    print "-H <host>"
+    print("-u <user>")
+    print("-p <password>")
+    print("-s use SSL")
+    print("-H <host>")
 
 def main():
-	try:
-	    opts, args = getopt.getopt(sys.argv[1:], "u:p:sH:")	
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], "u:p:sH:")	
     except getopt.GetoptError:
         usage()
         return 3
     
     user = host = password = use_ssl = None
-    
+
     for o, a in opts:
         if o == "-u":
             user = a
@@ -41,24 +41,21 @@ def main():
     if user == None or password == None or host == None:
         usage()
         return 1
-    
+
     if use_ssl:
         M = imaplib.IMAP4_SSL(host=host)
     else:
-    	M = imaplib.IMAP4(host)
-    
+        M = imaplib.IMAP4(host)
+
     try:	
         M.login(user, password)
-	except Exception, e:
-        print "CRITICAL: IMAP Login not Successful: %s" % e
+    except Exception as e:
+        print(f"CRITICAL: IMAP Login not Successful: {e}")
         sys.exit(2)
-    
+
     M.logout()
-    print "OK IMAP Login Successful"
+    print("OK IMAP Login Successful")
     return 0
 
 if __name__ == "__main__":
-        sys.exit(main())
-    
-
-
+    sys.exit(main())