Remove index_url dependency and extend python version compatibility (#139)

* updated Readme

Signed-off-by: Onkar Chougule <quic_ochougul@quicinc.com>

* extended python version compatibility

Signed-off-by: Onkar Chougule <quic_ochougul@quicinc.com>

* extended python version compatibility

Signed-off-by: Onkar Chougule <quic_ochougul@quicinc.com>

* restricted python version 3.8-3.10

Signed-off-by: Onkar Chougule <quic_ochougul@quicinc.com>

---------

Signed-off-by: Onkar Chougule <quic_ochougul@quicinc.com>

Author: ochougul

README.md

@@ -53,19 +53,19 @@ For other models, there is comprehensive documentation to inspire upon the chang
 ## Quick Installation
 ```bash
 
-# Create Python virtual env and activate it. (Required Python 3.8)
+# Create Python virtual env and activate it. (Recommended Python 3.8)
 
 python3.8 -m venv qeff_env
 source qeff_env/bin/activate
 pip install -U pip
 
 # Clone and Install the QEfficient Repo.
-pip install git+https://github.com/quic/efficient-transformers --extra-index-url https://download.pytorch.org/whl/cpu
+pip install git+https://github.com/quic/efficient-transformers
 
 # Or build wheel package using the below command.
 pip install build wheel
 python -m build --wheel --outdir dist
-pip install dist/QEfficient-0.0.1.dev0-py3-none-any.whl --extra-index-url https://download.pytorch.org/whl/cpu
+pip install dist/QEfficient-0.0.1.dev0-py3-none-any.whl
 
 ``` 
 

pyproject.toml

@@ -17,10 +17,9 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Topic :: Scientific/Engineering :: Artificial Intelligence for Inference Accelerator",
 ]
-requires-python = "==3.8.*"
+requires-python = ">=3.8,<3.11"
 dependencies = [
     "transformers==4.44.2",
-    "torch==2.0.0+cpu",
     "peft==0.12.0",
     "datasets==2.7.0",
     "fsspec==2023.6.0",
@@ -33,6 +32,11 @@ dependencies = [
     "protobuf==3.20.2",
     "onnxscript==0.1.0.dev20240327",
     "sympy",
+    "torch==2.0.0; platform_machine=='aarch64'",
+    # Specifying torch cpu package URL per python version, update the list once pytorch releases whl for python>3.11
+    "torch@https://download.pytorch.org/whl/cpu/torch-2.0.0%2Bcpu-cp38-cp38-linux_x86_64.whl ; python_version=='3.8' and platform_machine=='x86_64'",
+    "torch@https://download.pytorch.org/whl/cpu/torch-2.0.0%2Bcpu-cp39-cp39-linux_x86_64.whl ; python_version=='3.9' and platform_machine=='x86_64'",
+    "torch@https://download.pytorch.org/whl/cpu/torch-2.0.0%2Bcpu-cp310-cp310-linux_x86_64.whl ; python_version=='3.10' and platform_machine=='x86_64'",
 ]
 
 [project.optional-dependencies]