diff --git a/mesonbuild/backend/vs2010backend.py b/mesonbuild/backend/vs2010backend.py
index 37d415793..8bfc2e4d7 100644
--- a/mesonbuild/backend/vs2010backend.py
+++ b/mesonbuild/backend/vs2010backend.py
@@ -1070,5 +1070,5 @@ if %%errorlevel%% neq 0 goto :VCEnd'''
         tree = ET.ElementTree(root)
         tree.write(ofname, encoding='utf-8', xml_declaration=True)
         # ElementTree can not do prettyprinting so do it manually
-        #doc = xml.dom.minidom.parse(ofname)
-        #open(ofname, 'w').write(doc.toprettyxml())
+        # doc = xml.dom.minidom.parse(ofname)
+        # open(ofname, 'w').write(doc.toprettyxml())
diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py
index a1942772d..c885afec7 100644
--- a/mesonbuild/compilers.py
+++ b/mesonbuild/compilers.py
@@ -2446,7 +2446,7 @@ end program prog
     def get_dependency_gen_args(self, outtarget, outfile):
         # Disabled until this is fixed:
         # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62162
-        #return ['-cpp', '-MMD', '-MQ', outtarget]
+        # return ['-cpp', '-MMD', '-MQ', outtarget]
         return []
 
     def get_output_args(self, target):
diff --git a/mesonbuild/scripts/depfixer.py b/mesonbuild/scripts/depfixer.py
index 1a19a8acf..708814f35 100644
--- a/mesonbuild/scripts/depfixer.py
+++ b/mesonbuild/scripts/depfixer.py
@@ -76,29 +76,29 @@ class SectionHeader(DataSizes):
             is_64 = True
         else:
             is_64 = False
-#Elf64_Word
+# Elf64_Word
         self.sh_name = struct.unpack(self.Word, ifile.read(self.WordSize))[0];
-#Elf64_Word
+# Elf64_Word
         self.sh_type = struct.unpack(self.Word, ifile.read(self.WordSize))[0]
-#Elf64_Xword
+# Elf64_Xword
         if is_64:
             self.sh_flags = struct.unpack(self.XWord, ifile.read(self.XWordSize))[0]
         else:
             self.sh_flags = struct.unpack(self.Word, ifile.read(self.WordSize))[0]
-#Elf64_Addr
+# Elf64_Addr
         self.sh_addr = struct.unpack(self.Addr, ifile.read(self.AddrSize))[0];
-#Elf64_Off
+# Elf64_Off
         self.sh_offset = struct.unpack(self.Off, ifile.read(self.OffSize))[0]
-#Elf64_Xword
+# Elf64_Xword
         if is_64:
             self.sh_size = struct.unpack(self.XWord, ifile.read(self.XWordSize))[0]
         else:
             self.sh_size = struct.unpack(self.Word, ifile.read(self.WordSize))[0]
-#Elf64_Word
+# Elf64_Word
         self.sh_link = struct.unpack(self.Word, ifile.read(self.WordSize))[0];
-#Elf64_Word
+# Elf64_Word
         self.sh_info = struct.unpack(self.Word, ifile.read(self.WordSize))[0];
-#Elf64_Xword
+# Elf64_Xword
         if is_64:
             self.sh_addralign = struct.unpack(self.XWord, ifile.read(self.XWordSize))[0]
         else:
diff --git a/run_project_tests.py b/run_project_tests.py
index a11847bde..9f1d4d8a1 100755
--- a/run_project_tests.py
+++ b/run_project_tests.py
@@ -84,7 +84,7 @@ def stop_handler(signal, frame):
 signal.signal(signal.SIGINT, stop_handler)
 signal.signal(signal.SIGTERM, stop_handler)
 
-#unity_flags = ['--unity']
+# unity_flags = ['--unity']
 unity_flags = []
 
 backend_flags = None
diff --git a/tools/cmake2meson.py b/tools/cmake2meson.py
index 28222a58c..5cf6dfea5 100755
--- a/tools/cmake2meson.py
+++ b/tools/cmake2meson.py
@@ -70,7 +70,7 @@ class Lexer:
                     elif tid == 'id':
                         yield(Token('id', match_text))
                     elif tid == 'eol':
-                        #yield('eol')
+                        # yield('eol')
                         lineno += 1
                         col = 1
                         line_start = mo.end()