Remove redundant backslash and fix white space issue

mesonbuild/dependencies/cmake.py

@@ -549,7 +549,8 @@ class CMakeDependency(ExternalDependency):
 
             rtgt = resolve_cmake_trace_targets(i, self.traceparser, self.env,
                                                clib_compiler=self.clib_compiler,
-                not_found_warning=lambda x: mlog.warning('CMake: Dependency', mlog.bold(x), 'for', mlog.bold(name), 'was not found')
+                                               not_found_warning=lambda x:
+                                                   mlog.warning('CMake: Dependency', mlog.bold(x), 'for', mlog.bold(name), 'was not found')
                                                )
             incDirs += rtgt.include_directories
             compileOptions += rtgt.public_compile_opts

mesonbuild/mcompile.py

@@ -125,7 +125,7 @@ def get_target_from_intro_data(target: ParsedTargetName, builddir: Path, introsp
             t = i['type'].replace(' ', '_')
             suggestions.append(f'- ./{p}:{t}')
         suggestions_str = '\n'.join(suggestions)
-        raise MesonException(f'Can\'t invoke target `{target.full_name}`: ambiguous name.' \
+        raise MesonException(f'Can\'t invoke target `{target.full_name}`: ambiguous name.'
                              f'Add target type and/or path:\n{suggestions_str}')
 
     return found_targets[0]