reformatting and style

pmml.py

@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 import click
 import sys
-import os
-import email
 import email.parser
 import smtplib
 import json
@@ -17,6 +15,7 @@ def read_config_file(config_file_path):
         config = json.load(f)
     return config
 
+
 def setup_smtp_session(smtp_server, smtp_port, smtp_user, smtp_pass):
     smtp_client = smtplib.SMTP(host=smtp_server, port=smtp_port)
     smtp_client.ehlo()
@@ -24,6 +23,7 @@ def setup_smtp_session(smtp_server, smtp_port, smtp_user, smtp_pass):
     smtp_client.login(smtp_user, smtp_pass)
     return smtp_client
 
+
 @click.command()
 @click.option("-f", "--config-file", default=DEFAULT_CONFIG_FILE_PATH)
 @click.argument("mailing-list-address")
@@ -33,13 +33,20 @@ def cli(config_file, mailing_list_address):
     config = read_config_file(config_file)[mailing_list_address]
     msg = email.parser.Parser().parse(input)
 
-    if msg['Subject'] in ignore_subjects:
+    if msg["Subject"] in ignore_subjects:
-        print(f"Skipping mail processing because auf subject: {msg['Subject']}")
+        print(f"Skipping processing because auf subject: {msg['Subject']}")
     else:
-        smtp_client = setup_smtp_session(config['smtp_server'], config['smtp_port'],
+        smtp_client = setup_smtp_session(
-                                     config['smtp_user'], config['smtp_pass'])
+            config["smtp_server"],
-        smtp_client.sendmail(mailing_list_address, config['recipients'], msg.as_string())
+            config["smtp_port"],
+            config["smtp_user"],
+            config["smtp_pass"],
+        )
+        smtp_client.sendmail(
+            mailing_list_address, config["recipients"], msg.as_string()
+        )
         smtp_client.quit()
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     cli()