Suppress tornado 6.2 beta warnings (#285)

Author: blink1073

pyproject.toml

@@ -96,6 +96,8 @@ timeout = 300
 # timeout_method = "thread"
 filterwarnings = [
   "error",
-  "ignore:There is no current event loop:DeprecationWarning",
+  "module:make_current is deprecated:DeprecationWarning",
+  "module:clear_current is deprecated:DeprecationWarning",
+  "module:There is no current event loop:DeprecationWarning",
   "ignore:Passing a schema to Validator.iter_errors:DeprecationWarning"
 ]