Update import and change path for tests
Fix by rick <rick@gnous.eu>

--- a/tests/speed_test/speed_test.py
+++ b/tests/speed_test/speed_test.py
@@ -4,7 +4,7 @@ from pathlib import Path
 from time import time
 
 from tabulate import tabulate
-from tokenizers import BPETokenizer as HuggingFaceBPETokenizer
+from tokenizers import Tokenizer as HuggingFaceBPETokenizer
 
 MODEL_FILE_NAME = "bpe.model"
 MODEL_SUFFIX = ".model"
--- a/tests/unit_tests/test_stress.py
+++ b/tests/unit_tests/test_stress.py
@@ -4,8 +4,8 @@ from subprocess import run
 
 def compile_test():
     build_files = ["bpe.cpp", "utils.cpp", "utf8.cpp"]
-    files = ["../../youtokentome/cpp/" + file_name for file_name in build_files]
-    files.append("stress_test.cpp")
+    files = ["youtokentome/cpp/" + file_name for file_name in build_files]
+    files.append("tests/unit_tests/stress_test.cpp")
 
     print("compiling stress test ...")