this fixes #1 and improved the code base

wrappers/__init__.py

@@ -1,5 +1,5 @@
 from .dhiraagu import DhiraaguAPI
 
 __all__ = [
-    'DhiraaguAPI'
-]
+    'DhiraaguAPI',
+]

wrappers/dhiraagu.py

@@ -1,13 +1,14 @@
 import requests
 
+
 class DhiraaguAPI:
     def __init__(
-            self,
-            phone: str = None,
-            otp: str = None,
-            token: str = None,
-            account: str = None,
-        ) -> None:
+        self,
+        phone: str = None,
+        otp: str = None,
+        token: str = None,
+        account: str = None,
+    ) -> None:
         self.phone = phone
         self.otp = otp
         self.token = token
@@ -24,19 +25,19 @@ class DhiraaguAPI:
         }
         if self.token:
             self.headers['Authorization'] = f'Bearer {self.token}'
-    
+
     def login(self):
         data = requests.post(
             'https://app-production.dhiraagu.com.mv/auth',
             json={
                 'number': self.phone,
-                'otp': self.otp
-            }
+                'otp': self.otp,
+            },
         )
         return data.json()
 
     def bills(self):
         return requests.get(
             f'https://app-production.dhiraagu.com.mv/io/v1/info/subscribers/{self.account}/liberate/billinfo',
-            headers=self.headers
+            headers=self.headers,
         ).json()