fix stuff

.gitignore

@@ -1 +1,2 @@
 pwdb.json
+__pycache__

auth.py

@@ -1,6 +1,8 @@
 import json
 import sys
 
+pwdb_path = 'pwdb.json'
+
 def get_credentials():
     username = input('Enter your username: ')
     password = input('Enter your password: ')
@@ -25,13 +27,13 @@ def write_pwdb(pwdb, pwdb_path):
     pwdb_file = open(pwdb_path, 'wt')
     json.dump(pwdb, pwdb_file)
 
-pwdb_path = 'pwdb.json'
-pwdb = read_pwdb(pwdb_path)
+def main():
+    pwdb = read_pwdb(pwdb_path)
 
-if len(sys.argv) > 1:
+    if len(sys.argv) > 1:
         pwdb = add_user(sys.argv[1], pwdb)
         write_pwdb(pwdb, pwdb_path)
-else:
+    else:
         username, password = get_credentials()
         if username not in pwdb:
             print('Wrong username!')
@@ -40,3 +42,6 @@ else:
                 print('Successfully authenticated!')
             else:
                 print('Wrong password!')
+
+if __name__=='__main__':
+    main()