Simplify a bunch of len(x) > 0/len(x) == 0 style expressions

extensions-builtin/Lora/extra_networks_lora.py

@@ -9,14 +9,14 @@ class ExtraNetworkLora(extra_networks.ExtraNetwork):
     def activate(self, p, params_list):
         additional = shared.opts.sd_lora
 
-        if additional != "None" and additional in lora.available_loras and len([x for x in params_list if x.items[0] == additional]) == 0:
+        if additional != "None" and additional in lora.available_loras and not any(x for x in params_list if x.items[0] == additional):
             p.all_prompts = [x + f"<lora:{additional}:{shared.opts.extra_networks_default_multiplier}>" for x in p.all_prompts]
             params_list.append(extra_networks.ExtraNetworkParams(items=[additional, shared.opts.extra_networks_default_multiplier]))
 
         names = []
         multipliers = []
         for params in params_list:
-            assert len(params.items) > 0
+            assert params.items
 
             names.append(params.items[0])
             multipliers.append(float(params.items[1]) if len(params.items) > 1 else 1.0)

extensions-builtin/Lora/lora.py

@@ -219,7 +219,7 @@ def load_lora(name, lora_on_disk):
         else:
             raise AssertionError(f"Bad Lora layer name: {key_diffusers} - must end in lora_up.weight, lora_down.weight or alpha")
 
-    if len(keys_failed_to_match) > 0:
+    if keys_failed_to_match:
         print(f"Failed to match keys when loading Lora {lora_on_disk.filename}: {keys_failed_to_match}")
 
     return lora
@@ -267,7 +267,7 @@ def load_loras(names, multipliers=None):
         lora.multiplier = multipliers[i] if multipliers else 1.0
         loaded_loras.append(lora)
 
-    if len(failed_to_load_loras) > 0:
+    if failed_to_load_loras:
         sd_hijack.model_hijack.comments.append("Failed to find Loras: " + ", ".join(failed_to_load_loras))