Update aws_waf.py

Author: AndreiDrang

src/python3_capsolver/aws_waf.py

@@ -3,6 +3,8 @@
 from .core.base import CaptchaParams
 from .core.enum import AntiAwsWafTaskTypeEnm
 
+__all__ = ("AwsWaf",)
+
 
 class AwsWaf(CaptchaParams):
     def __init__(