I download zip formatted source file from https://www.mongodb.org/downloads#, error occurs when compiling in Linux.

/usr/local/bin/python src/mongo/db/fts/unicode/gen_casefold_map.py src/third_party/unicode-8.0.0/CaseFolding.txt build/opt/mongo/db/fts/unicode/codepoints_casefold.cpp
/usr/local/bin/python src/mongo/db/fts/unicode/gen_delimiter_list.py src/third_party/unicode-8.0.0/PropList.txt build/opt/mongo/db/fts/unicode/codepoints_delimiter_list.cpp
/usr/local/bin/python src/mongo/db/fts/unicode/gen_diacritic_list.py src/third_party/unicode-8.0.0/PropList.txt build/opt/mongo/db/fts/unicode/codepoints_diacritic_list.cpp
Traceback (most recent call last):
File "src/mongo/db/fts/unicode/gen_delimiter_list.py", line 87, in <module>
generate(sys.argv[1], sys.argv[2])
File "src/mongo/db/fts/unicode/gen_delimiter_list.py", line 42, in generate
assert(len(values) == 2)
AssertionError