Update app.py

app.py

@@ -7,7 +7,7 @@ if not os.path.exists("./chatglm2-6b-int4.flm"):
     os.system("git clone --recurse-submodules https://github.com/ztxz16/fastllm.git")
     os.system("cd fastllm; mkdir build; cd build; cmake ..; make -j; cd tools; python setup.py install --user --prefix=")
     # os.system("wget https://huggingface.co/huangyuyang/chatglm2-6b-int4.flm/resolve/main/chatglm2-6b-int4.flm")
-    pip._internal.main(['install', '-e', 'fastllm/build/tools/', '--user'])
+    pip.main(['install', '-e', 'fastllm/build/tools/', '--user'])
     # exit()
     
 from fastllm_pytools import llm