[Bug] Drafter tries to import flash attention

[Dogacel]

SpecForge/specforge/modeling/draft/llama3_eagle.py

Line 9 in ed87efa

from flash_attn import flash_attn_func

This import is not needed,

SpecForge/specforge/modeling/draft/llama3_eagle.py

Lines 27 to 32 in ed87efa

	try:
	from flash_attn import flash_attn_func
	except:
	warnings.warn(
	"flash_attn is not found, please install flash_attn if you want to use the flash attention backend"
	)

As this import exists.

[Dogacel]

Solved by #436.