diff -up chromium-115.0.5790.102/base/write_build_date_header.py.me chromium-115.0.5790.102/base/write_build_date_header.py
--- chromium-115.0.5790.102/base/write_build_date_header.py.me	2023-07-22 14:23:42.620679397 +0200
+++ chromium-115.0.5790.102/base/write_build_date_header.py	2023-07-22 15:24:46.833310310 +0200
@@ -17,7 +17,7 @@ def main():
   args = argument_parser.parse_args()
 
   date_val = int(args.timestamp)
-  date = datetime.datetime.utcfromtimestamp(date_val)
+  date =  datetime.datetime.fromtimestamp(date_val, datetime.timezone.utc)
   output = ('// Generated by //base/write_build_date_header.py\n'
             '#ifndef BASE_GENERATED_BUILD_DATE_TIMESTAMP \n'
             f'#define BASE_GENERATED_BUILD_DATE_TIMESTAMP {date_val}'
diff -up chromium-115.0.5790.102/build/write_buildflag_header.py.me chromium-115.0.5790.102/build/write_buildflag_header.py
--- chromium-115.0.5790.102/build/write_buildflag_header.py.me	2023-07-22 14:16:14.196975451 +0200
+++ chromium-115.0.5790.102/build/write_buildflag_header.py	2023-07-22 14:20:24.977239994 +0200
@@ -44,7 +44,7 @@ def GetOptions():
   header_guard = cmdline_options.output.upper()
   if header_guard[0].isdigit():
     header_guard = '_' + header_guard
-  header_guard = re.sub('[^\w]', '_', header_guard)
+  header_guard = re.sub(r'[^\w]', '_', header_guard)
   header_guard += '_'
 
   # The actual output file is inside the gen dir.
diff -up chromium-115.0.5790.102/components/resources/protobufs/binary_proto_generator.py.me chromium-115.0.5790.102/components/resources/protobufs/binary_proto_generator.py
--- chromium-115.0.5790.102/components/resources/protobufs/binary_proto_generator.py.me	2023-07-22 14:47:34.230764210 +0200
+++ chromium-115.0.5790.102/components/resources/protobufs/binary_proto_generator.py	2023-07-22 15:11:50.360983383 +0200
@@ -9,7 +9,8 @@
 """
 from __future__ import print_function
 import abc
-import imp
+import types
+import importlib
 import optparse
 import os
 import re
@@ -40,6 +41,12 @@ class GoogleProtobufModuleImporter:
         return filepath
     return None
 
+  def load_source(name: str, path: str) -> types.ModuleType:
+    spec = importlib.util.spec_from_file_location(name, path)
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+    return module
+
   def _module_exists(self, fullname):
     return self._fullname_to_filepath(fullname) is not None
 
@@ -68,7 +75,7 @@ class GoogleProtobufModuleImporter:
       raise ImportError(fullname)
 
     filepath = self._fullname_to_filepath(fullname)
-    return imp.load_source(fullname, filepath)
+    return load_source(fullname, filepath)
 
 class BinaryProtoGenerator:
 
diff -up chromium-115.0.5790.102/mojo/public/tools/bindings/concatenate_and_replace_closure_exports.py.me chromium-115.0.5790.102/mojo/public/tools/bindings/concatenate_and_replace_closure_exports.py
--- chromium-115.0.5790.102/mojo/public/tools/bindings/concatenate_and_replace_closure_exports.py.me	2023-07-22 15:17:19.114258801 +0200
+++ chromium-115.0.5790.102/mojo/public/tools/bindings/concatenate_and_replace_closure_exports.py	2023-07-22 15:17:43.368200491 +0200
@@ -32,7 +32,7 @@ def FilterLine(filename, line, output):
     return
 
   if line.startswith("goog.provide"):
-    match = re.match("goog.provide\('([^']+)'\);", line)
+    match = re.match(r"goog.provide\('([^']+)'\);", line)
     if not match:
       print("Invalid goog.provide line in %s:\n%s" % (filename, line))
       sys.exit(1)
diff -up chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/html_generation_controller.py.me chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/html_generation_controller.py
--- chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/html_generation_controller.py.me	2023-07-22 15:12:41.850895179 +0200
+++ chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/html_generation_controller.py	2023-07-22 15:12:55.844871207 +0200
@@ -18,7 +18,7 @@ class HTMLGenerationController(object):
 
   def GetHTMLForInlineStylesheet(self, contents):
     if self.current_module is None:
-      if re.search('url\(.+\)', contents):
+      if re.search(r'url\(.+\)', contents):
         raise Exception(
             'Default HTMLGenerationController cannot handle inline style urls')
       return contents
diff -up chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/js_utils.py.me chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/js_utils.py
--- chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/js_utils.py.me	2023-07-22 15:14:06.923717910 +0200
+++ chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/js_utils.py	2023-07-22 15:18:03.704150614 +0200
@@ -4,4 +4,4 @@
 
 
 def EscapeJSIfNeeded(js):
-  return js.replace('</script>', '<\/script>')
+  return js.replace(r'</script>', r'<\/script>')
diff -up chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/parse_html_deps.py.me chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/parse_html_deps.py
--- chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/parse_html_deps.py.me	2023-07-22 15:14:30.105662532 +0200
+++ chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/parse_html_deps.py	2023-07-22 15:14:57.977595950 +0200
@@ -293,6 +293,6 @@ class HTMLModuleParser():
       html = ''
     else:
       if html.find('< /script>') != -1:
-        raise Exception('Escape script tags with <\/script>')
+        raise Exception(r'Escape script tags with <\/script>')
 
     return HTMLModuleParserResults(html)
diff -up chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/style_sheet.py.me chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/style_sheet.py
--- chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/style_sheet.py.me	2023-07-22 15:13:12.316842990 +0200
+++ chromium-115.0.5790.102/third_party/catapult/common/py_vulcanize/py_vulcanize/style_sheet.py	2023-07-22 15:13:49.684759091 +0200
@@ -60,7 +60,7 @@ class ParsedStyleSheet(object):
       return 'url(data:image/%s;base64,%s)' % (ext[1:], data.decode('utf-8'))
 
     # I'm assuming we only have url()'s associated with images
-    return re.sub('url\((?P<quote>"|\'|)(?P<url>[^"\'()]*)(?P=quote)\)',
+    return re.sub(r'url\((?P<quote>"|\'|)(?P<url>[^"\'()]*)(?P=quote)\)',
                   InlineUrl, self.contents)
 
   def AppendDirectlyDependentFilenamesTo(self, dependent_filenames):
@@ -72,7 +72,7 @@ class ParsedStyleSheet(object):
       raise Exception('@imports are not supported')
 
     matches = re.findall(
-        'url\((?:["|\']?)([^"\'()]*)(?:["|\']?)\)',
+        r'url\((?:["|\']?)([^"\'()]*)(?:["|\']?)\)',
         self.contents)
 
     def resolve_url(url):
diff -up chromium-115.0.5790.102/third_party/dawn/generator/generator_lib.py.me chromium-115.0.5790.102/third_party/dawn/generator/generator_lib.py
--- chromium-115.0.5790.102/third_party/dawn/generator/generator_lib.py.me	2023-07-22 15:11:56.826972306 +0200
+++ chromium-115.0.5790.102/third_party/dawn/generator/generator_lib.py	2023-07-22 15:12:37.550902545 +0200
@@ -119,8 +119,8 @@ class _PreprocessingLoader(jinja2.BaseLo
             source = self.preprocess(f.read())
         return source, path, lambda: mtime == os.path.getmtime(path)
 
-    blockstart = re.compile('{%-?\s*(if|elif|else|for|block|macro)[^}]*%}')
-    blockend = re.compile('{%-?\s*(end(if|for|block|macro)|elif|else)[^}]*%}')
+    blockstart = re.compile(r'{%-?\s*(if|elif|else|for|block|macro)[^}]*%}')
+    blockend = re.compile(r'{%-?\s*(end(if|for|block|macro)|elif|else)[^}]*%}')
 
     def preprocess(self, source):
         lines = source.split('\n')
diff -up chromium-115.0.5790.102/third_party/vulkan-deps/vulkan-tools/src/build-gn/generate_vulkan_layers_json.py.me chromium-115.0.5790.102/third_party/vulkan-deps/vulkan-tools/src/build-gn/generate_vulkan_layers_json.py
diff -up chromium-115.0.5790.102/third_party/vulkan-deps/vulkan-validation-layers/src/build-gn/generate_vulkan_layers_json.py.me chromium-115.0.5790.102/third_party/vulkan-deps/vulkan-validation-layers/src/build-gn/generate_vulkan_layers_json.py
--- chromium-115.0.5790.102/third_party/vulkan-deps/vulkan-validation-layers/src/build-gn/generate_vulkan_layers_json.py.me	2023-07-22 16:02:48.330050088 +0200
+++ chromium-115.0.5790.102/third_party/vulkan-deps/vulkan-validation-layers/src/build-gn/generate_vulkan_layers_json.py	2023-07-22 16:03:02.320023617 +0200
@@ -28,7 +28,6 @@ import platform
 import sys
 
 def glob_slash(dirname):
-    """Like regular glob but replaces \ with / in returned paths."""
     return [s.replace('\\', '/') for s in glob.glob(dirname)]
 
 def main():