style: [E711] comparison to None should be 'if cond is None:'

2 files changed, 4 insertions, 4 deletions

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 037b195..16ef5aa 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -1062,7 +1062,7 @@ class SharedLibrary(BuildTarget):
         # If the user already provided the prefix and suffix to us, we don't
         # need to do any filename suffix/prefix detection.
         # NOTE: manual prefix/suffix override is currently only tested for C/C++
-        if self.prefix != None and self.suffix != None:
+        if self.prefix is not None and self.suffix is not None:
             pass
         # C# and Mono
         elif 'cs' in self.compilers:
@@ -1117,9 +1117,9 @@ class SharedLibrary(BuildTarget):
             else:
                 # No versioning, libfoo.so
                 self.filename_tpl = '{0.prefix}{0.name}.{0.suffix}'
-        if self.prefix == None:
+        if self.prefix is None:
             self.prefix = prefix
-        if self.suffix == None:
+        if self.suffix is None:
             self.suffix = suffix
         self.filename = self.filename_tpl.format(self)
 
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 474a82f..7373fd6 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -1405,7 +1405,7 @@ class Interpreter(InterpreterBase):
         for i in range(min(len(args), len(arg_types))):
             wanted = arg_types[i]
             actual = args[i]
-            if wanted != None:
+            if wanted is not None:
                 if not isinstance(actual, wanted):
                     raise InvalidArguments('Incorrect argument type.')