Allow napari GUI to accept custom weights (#460)

* Check if provided model is weights only and work around

* Period to commit

cellfinder/core/classify/classify.py

@@ -68,6 +68,14 @@ def main(
  workers=workers,
  )
 
+ if trained_model and trained_model.suffix == ".h5":
+ print(
+ "Weights provided in place of the model, "
+ "loading weights into default model."
+ )
+ model_weights = trained_model
+ trained_model = None
+
  model = get_model(
  existing_model=trained_model,
  model_weights=model_weights,