Added dependency.

setup.py

@@ -142,6 +142,7 @@ def copy_extensions_to_source(self):
 
 pywhere = Extension('scalene.pywhere',
     include_dirs=['.', 'src', 'src/include'],
+    depends = ['src/include/traceconfig.hpp'],
     sources = ['src/source/pywhere.cpp', 'src/source/traceconfig.cpp'],
     extra_compile_args=extra_compile_args(),
     py_limited_api=False,