Resolve "Remove nose.tools dependency"

Summary

This MR removes nose from the integration tests (related to #23 (closed)).

Focus

Test Environment

Regular integration tests

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Makefile

@@ -51,3 +51,7 @@ autopep8:
 
 # Meta target to call the other targets.
 all: autopep8 test
+
+
+mypy: 
+	mypy tests
\ No newline at end of file