chore: Fix comparison constant position (#7334)

Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>

Author: deepsource-autofix[bot]

app/api/schema/orders.py

@@ -36,7 +36,7 @@ def generate_payment_url(self, data):
         if (
             'POST' in request.method
             or ('GET' in request.method and 'regenerate' in request.args)
-            and 'completed' != data["status"]
+            and data["status"] != 'completed'
         ):
             if data['payment_mode'] == 'stripe':
                 data['payment_url'] = 'stripe://payment'