[BugFix] Set alpha and dropout defaults in LoraConfig #390
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Instantiating and using a default LoraConfig results in errors due to the fact
lora_alpha
andlora_dropout
gets initialised to None.There are points in the code (see e.g., here, here, here) where it is assumed they have actual values.
Since all methods already have alpha=1 and dropout=0.0 as defaults I opted to change LoraConfig instead of adding None checks.