[python] Apply Ruff auto-fixes

Signed-off-by: James Wainwright <james.wainwright@lowrisc.org>
(partially cherry picked from commit 69203fa)
Change-Id: I6a409d757e286a2960503c42ad2ee86346b4b35f

Author: jwnrt

hw/ip/otbn/dv/otbnsim/sim/stats.py

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 from collections import Counter
-import typing
 from typing import Dict, List, Optional, Tuple
 
 from elftools.dwarf.dwarfinfo import DWARFInfo  # type: ignore

util/design/lib/common.py

@@ -56,7 +56,7 @@ def check_bool(x):
     '''
     if isinstance(x, bool):
         return x
-    if not x.lower() in ["true", "false"]:
+    if x.lower() not in ["true", "false"]:
         raise RuntimeError("{} is not a boolean value.".format(x))
     else:
         return (x.lower() == "true")

util/dvsim/utils.py

@@ -631,7 +631,7 @@ def check_bool(x):
     """
     if isinstance(x, bool):
         return x
-    if not x.lower() in ["true", "false"]:
+    if x.lower() not in ["true", "false"]:
         raise RuntimeError("{} is not a boolean value.".format(x))
     else:
         return (x.lower() == "true")

util/reggen/validate.py

@@ -51,7 +51,7 @@ def check_bool(x: Union[bool, str], err_prefix: str) -> Tuple[bool, bool]:
     if isinstance(x, bool):
         # if Bool returns as it is
         return x, False
-    if not x.lower() in ["true", "false"]:
+    if x.lower() not in ["true", "false"]:
         log.error(err_prefix + ": Bad field value " + x)
         return False, True
     else:

util/topgen/merge.py

@@ -406,7 +406,7 @@ def amend_xbar(top: Dict[str, object],
     - size: from top["module"]
     """
     xbar_list = [x["name"] for x in top["xbar"]]
-    if not xbar["name"] in xbar_list:
+    if xbar["name"] not in xbar_list:
         log.info(
             "Xbar %s doesn't belong to the top %s. Check if the xbar doesn't need"
             % (xbar["name"], top["name"]))
@@ -496,7 +496,7 @@ def xbar_cross_node(node_name, device_xbar, xbars, visited=[]):
     devices = host_xbar["connections"][device_xbar["name"]]
 
     for node in host_xbar["nodes"]:
-        if not node["name"] in devices:
+        if node["name"] not in devices:
             continue
         if "xbar" in node and node["xbar"] is True:
             if "addr_range" not in node: