Fix flake8 'variable assigned value but unused' reports

$ flake8 | grep -E 'F841'
./run_unittests.py:1987:13: F841 local variable 'objc' is assigned to but never used
./run_unittests.py:1988:13: F841 local variable 'objcpp' is assigned to but never used
./mesonbuild/minit.py:272:5: F841 local variable 'uppercase_token' is assigned to but never used
./mesonbuild/minit.py:307:5: F841 local variable 'uppercase_token' is assigned to but never used
./mesonbuild/modules/unstable_icestorm.py:36:9: F841 local variable 'result' is assigned to but never used
./mesonbuild/modules/unstable_icestorm.py:78:9: F841 local variable 'up_target' is assigned to but never used
./mesonbuild/modules/unstable_icestorm.py:81:9: F841 local variable 'time_target' is assigned to but never used
./msi/createmsi.py:226:17: F841 local variable 'file_source' is assigned to but never used

4 files changed, 4 insertions, 8 deletions

diff --git a/mesonbuild/minit.py b/mesonbuild/minit.py
index 69dd516..4459a05 100644
--- a/mesonbuild/minit.py
+++ b/mesonbuild/minit.py
@@ -269,7 +269,6 @@ ninja -C builddir
 
 def create_exe_c_sample(project_name, project_version):
     lowercase_token = re.sub(r'[^a-z0-9]', '_', project_name.lower())
-    uppercase_token = lowercase_token.upper()
     source_name = lowercase_token + '.c'
     open(source_name, 'w').write(hello_c_template.format(project_name=project_name))
     open('meson.build', 'w').write(hello_c_meson_template.format(project_name=project_name,
@@ -304,7 +303,6 @@ def create_lib_c_sample(project_name, version):
 
 def create_exe_cpp_sample(project_name, project_version):
     lowercase_token = re.sub(r'[^a-z0-9]', '_', project_name.lower())
-    uppercase_token = lowercase_token.upper()
     source_name = lowercase_token + '.cpp'
     open(source_name, 'w').write(hello_cpp_template.format(project_name=project_name))
     open('meson.build', 'w').write(hello_cpp_meson_template.format(project_name=project_name,
diff --git a/mesonbuild/modules/unstable_icestorm.py b/mesonbuild/modules/unstable_icestorm.py
index c880bf5..1f548b6 100644
--- a/mesonbuild/modules/unstable_icestorm.py
+++ b/mesonbuild/modules/unstable_icestorm.py
@@ -33,7 +33,6 @@ class IceStormModule(ExtensionModule):
     def project(self, interpreter, state, args, kwargs):
         if not self.yosys_bin:
             self.detect_binaries(interpreter)
-        result = []
         if not len(args):
             raise mesonlib.MesonException('Project requires at least one argument, which is the project name.')
         proj_name = args[0]
@@ -75,10 +74,10 @@ class IceStormModule(ExtensionModule):
             'command': [self.icepack_bin, '@INPUT@', '@OUTPUT@'],
             'build_by_default': True})
 
-        up_target = interpreter.func_run_target(None, [upload_name], {
+        interpreter.func_run_target(None, [upload_name], {
             'command': [self.iceprog_bin, bin_target]})
 
-        time_target = interpreter.func_run_target(None, [time_name], {
+        interpreter.func_run_target(None, [time_name], {
             'command': [self.icetime_bin, bin_target]})
 
 def initialize():
diff --git a/msi/createmsi.py b/msi/createmsi.py
index c709745..499f4b0 100755
--- a/msi/createmsi.py
+++ b/msi/createmsi.py
@@ -223,7 +223,6 @@ class PackageGenerator:
                 })
             self.component_num += 1
             for f in cur_node.files:
-                file_source = os.path.join(current_dir, f).replace('\\', '\\\\')
                 file_id = os.path.join(current_dir, f).replace('\\', '_').replace('#', '_').replace('-', '_')
                 ET.SubElement(comp_xml_node, 'File', {
                     'Id': file_id,
diff --git a/run_unittests.py b/run_unittests.py
index 4eb5d4c..3e5da22 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -1984,8 +1984,8 @@ class FailureTests(BasePlatformTests):
         env = Environment('', self.builddir, self.meson_command,
                           get_fake_options(self.prefix), [])
         try:
-            objc = env.detect_objc_compiler(False)
-            objcpp = env.detect_objcpp_compiler(False)
+            env.detect_objc_compiler(False)
+            env.detect_objcpp_compiler(False)
         except EnvironmentException:
             code = "add_languages('objc')\nadd_languages('objcpp')"
             self.assertMesonRaises(code, "Unknown compiler")