flash attn pip install (#426)

* flash attn pip

* add packaging

* add packaging to apt get

* install flash attn in dockerfile

* remove unused whls

* add wheel

* clean up pr

fix packaging requirement for ci
upgrade pip for ci
skip build isolation for requiremnents to get flash-attn working
install flash-attn seperately

* install wheel for ci

* no flash-attn for basic cicd

* install flash-attn as pip extras

---------

Co-authored-by: Ubuntu <mgh@mgh-vm.wsyvwcia0jxedeyrchqg425tpb.ax.internal.cloudapp.net>
Co-authored-by: mhenrichsen <some_email@hey.com>
Co-authored-by: Mads Henrichsen <mads@BrbartiendeMads.lan>
Co-authored-by: Wing Lian <wing.lian@gmail.com>

setup.py

@@ -7,6 +7,7 @@ with open("./requirements.txt", encoding="utf-8") as requirements_file:
     # don't include peft yet until we check the int4
     # need to manually install peft for now...
     reqs = [r.strip() for r in requirements_file.readlines() if "peft" not in r]
+    reqs = [r for r in reqs if "flash-attn" not in r]
     reqs = [r for r in reqs if r and r[0] != "#"]
     for r in reqs:
         install_requires.append(r)
@@ -25,8 +26,10 @@ setup(
         "gptq_triton": [
             "alpaca_lora_4bit[triton] @ git+https://github.com/winglian/alpaca_lora_4bit.git@setup_pip",
         ],
+        "flash-attn": [
+            "flash-attn==2.0.8",
+        ],
         "extras": [
-            "flash-attn",
             "deepspeed",
         ],
     },