Enables SIM ruff lint

vcr/request.py

@@ -1,5 +1,6 @@
 import logging
 import warnings
+from contextlib import suppress
 from io import BytesIO
 from urllib.parse import parse_qsl, urlparse
 
@@ -80,10 +81,9 @@ class Request:
     def port(self):
         port = self.parsed_uri.port
         if port is None:
-            try:
+            with suppress(KeyError):
                 port = {"https": 443, "http": 80}[self.parsed_uri.scheme]
-            except KeyError:
-                pass
+
         return port
 
     @property

vcr/stubs/__init__.py

@@ -1,6 +1,7 @@
 """Stubs for patching HTTP and HTTPS requests"""
 
 import logging
+from contextlib import suppress
 from http.client import HTTPConnection, HTTPResponse, HTTPSConnection
 from io import BytesIO
 
@@ -77,7 +78,7 @@ class VCRHTTPResponse(HTTPResponse):
         # libraries trying to process a chunked response.  By removing the
         # transfer-encoding: chunked header, this should cause the downstream
         # libraries to process this as a non-chunked response.
-        te_key = [h for h in headers.keys() if h.upper() == "TRANSFER-ENCODING"]
+        te_key = [h for h in headers if h.upper() == "TRANSFER-ENCODING"]
         if te_key:
             del headers[te_key[0]]
         self.headers = self.msg = parse_headers(headers)
@@ -370,12 +371,8 @@ class VCRConnection:
         TODO: Separately setting the attribute on the two instances is not
         ideal. We should switch to a proxying implementation.
         """
-        try:
+        with suppress(AttributeError):
             setattr(self.real_connection, name, value)
-        except AttributeError:
-            # raised if real_connection has not been set yet, such as when
-            # we're setting the real_connection itself for the first time
-            pass
 
         super().__setattr__(name, value)
 

vcr/stubs/tornado_stubs.py

@@ -74,7 +74,7 @@ def vcr_fetch_impl(cassette, real_fetch_impl):
                 return callback(response)
 
             def new_callback(response):
-                headers = [(k, response.headers.get_list(k)) for k in response.headers.keys()]
+                headers = [(k, response.headers.get_list(k)) for k in response.headers]
 
                 vcr_response = {
                     "status": {"code": response.code, "message": response.reason},