This is a test for developers, not end users.

--- a/cmake/CuraTests.cmake
+++ b/cmake/CuraTests.cmake
@@ -50,13 +50,6 @@
 endfunction()
 
 
-#Add code style test.
-add_test(
-    NAME "code-style"
-    COMMAND ${Python3_EXECUTABLE} run_mypy.py
-    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-)
-
 #Add test for import statements which are not compatible with all builds
 add_test(
     NAME "invalid-imports"