build(deps): bump mypy from 0.770 to 0.780 (#713)

* build(deps): bump mypy from 0.770 to 0.780

Bumps [mypy](https://github.com/python/mypy) from 0.770 to 0.780.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.770...v0.780)

Signed-off-by: dependabot-preview[bot] <[email protected]>

* fix linters

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Markus Unterwaditzer <[email protected]>

Author: dependabot-preview[bot]

linter-requirements.txt

@@ -1,6 +1,6 @@
 black==19.10b0
 flake8
 flake8-import-order
-mypy==0.770
+mypy==0.780
 flake8-bugbear>=19.8.0
 pep8-naming

sentry_sdk/integrations/tornado.py

@@ -141,7 +141,7 @@ def tornado_processor(event, hint):
         request = handler.request
 
         with capture_internal_exceptions():
-            method = getattr(handler, handler.request.method.lower())
+            method = getattr(handler, handler.request.method.lower())  # type: ignore
             event["transaction"] = transaction_from_function(method)
 
         with capture_internal_exceptions():