code cleanup

app.py

@@ -112,7 +112,8 @@ def create_conf_post():
 
     if os.path.exists(folder):
         shutil.rmtree(folder)
-    output = subprocess.run(['openssl','passwd','-6', password], capture_output=True, text=True)
+    output = subprocess.run(
+        ['openssl', 'passwd', '-6', password], capture_output=True, text=True)
     db.add_conf_image(config_name+".squashfs", token_name, ip, output.stdout)
 
     return send_file(os.path.join(app.config['UPLOAD_FOLDER'], config_name+".pub"))

images.py

@@ -5,6 +5,7 @@ class Image:
         self.token = token
         self.vpn_ip = vpn_ip
 
+
 class ImageManager:
     def __init__(self):
         self.images = []

machines.py

@@ -7,6 +7,8 @@ class Machine:
         self.iplocal = iplocal
         self.username = username
         self.password = password
+
+
 class MachineManager:
     def __init__(self):
         self.machines = []

utils.py

@@ -11,6 +11,7 @@ import db
 import config
 import ipaddress
 
+
 def generate_random_string(length):
     letters = string.ascii_letters
     random_string = ''.join(random.choice(letters) for i in range(length))
@@ -41,6 +42,7 @@ def ssh_thread_function():
 def check_allocation_thread_function():
     while True:
         ids = db.get_image_allocation_all()
+        if ids is not None:
             for x in ids:
                 ip = db.get_image_allocation_clientip_id_vpn(x[0])
                 ping_thread = PingThread(ip, x[0])
@@ -61,15 +63,11 @@ class PingThread(threading.Thread):
             return
         if ping_client(self.Ip) == False:
             date = db.get_image_allocation_time_id(self.Id)
-            print(date)
             if date is None:
                 return
             delta = datetime.datetime.utcnow() - date
-            print(datetime.datetime.utcnow())
-            print(delta.total_seconds())
             if delta.total_seconds() > 30:
                 db.del_image_allocation_id(self.Id)
-                print("deleted")
         else:
             db.update_image_allocation_time(self.Id)
 
@@ -82,6 +80,7 @@ def init_threads():
         target=check_allocation_thread_function)
     allocation_thread.start()
 
+
 def is_valid_ip_address(ip: str) -> bool:
     try:
         ipaddress.IPv4Address(ip)