diff --git a/mesonbuild/backend/backends.py b/mesonbuild/backend/backends.py
index c25cf5119cda..5108922c1b8d 100644
--- a/mesonbuild/backend/backends.py
+++ b/mesonbuild/backend/backends.py
@@ -162,10 +162,12 @@ def get_compiler_options_for_target(self, target):
             for_machine = MachineChoice.BUILD
         else:
             for_machine = MachineChoice.HOST
+
         def fake_option(k, v):
             opt = self.environment.coredata.compiler_options[k]
             opt.value = v
             return opt
+
         return OptionOverrideProxy(
             target.option_overrides,
             # no code depends on builtins for now
diff --git a/mesonbuild/backend/vs2010backend.py b/mesonbuild/backend/vs2010backend.py
index e2f73b1f76a7..8afce0f357ff 100644
--- a/mesonbuild/backend/vs2010backend.py
+++ b/mesonbuild/backend/vs2010backend.py
@@ -25,7 +25,9 @@
 from .. import mlog
 from .. import compilers
 from ..compilers import CompilerArgs
-from ..mesonlib import MesonException, File, python_command, replace_if_different
+from ..mesonlib import (
+    MesonException, MachineChoice, File, python_command, replace_if_different
+)
 from ..environment import Environment, build_filename
 
 def autodetect_vs_version(build):
diff --git a/mesonbuild/compilers/d.py b/mesonbuild/compilers/d.py
index bf881fed08da..bfe596c5efd9 100644
--- a/mesonbuild/compilers/d.py
+++ b/mesonbuild/compilers/d.py
@@ -14,7 +14,9 @@
 
 import os.path, subprocess
 
-from ..mesonlib import EnvironmentException, version_compare, is_windows, is_osx
+from ..mesonlib import (
+    EnvironmentException, MachineChoice, version_compare, is_windows, is_osx
+)
 
 from .compilers import (
     CompilerType,