Review: Nicer user msg

dares_settings.py

@@ -133,5 +133,5 @@ TOP_CATEGORIES = [
 ]
 
 # TESTS
-assert(len(TOP_CATEGORIES) == TOP_CATEGORIES_NB), "Wrong number of top categories required"
-assert(sum([top_cat["file_nb"] for top_cat in TOP_CATEGORIES]) == SOURCE_FILES_NB), "Wrong number of source files required"
+assert(len(TOP_CATEGORIES) == TOP_CATEGORIES_NB), "Wrong number of top categories required:" + [TOP_CATEGORIES, TOP_CATEGORIES_NB]
+assert(sum([top_cat["file_nb"] for top_cat in TOP_CATEGORIES]) == SOURCE_FILES_NB), "Wrong number of source files required:"  + [sum([top_cat["file_nb"] for top_cat in TOP_CATEGORIES], SOURCE_FILES_NB]
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