Command response dynamic

* adds a check whether the mail could be sent properly or not and changes the resulting response

konova/management/commands/generate_report.py

@@ -131,4 +131,7 @@ class Command(BaseKonovaCommand):
             ]
         )
         success = mail.send()
+        if success == 1:
             self._write_success(f"Mails with zip as attachment sent to {admin_mails}.")
+        else:
+            self._write_error(f"Something went wrong during mail sending. Returned sending code was '{success}'")