From 24dc581dc3c3bfb12d4a2910609425b4b295d731 Mon Sep 17 00:00:00 2001
From: lky <32677614+lyksdu@users.noreply.github.com>
Date: Wed, 27 Nov 2024 04:34:19 +0800
Subject: [PATCH 1/2] fix multi add makedirs error (#5786)

try to start multiple comfyui server at the same time, and this got error
---
 app/user_manager.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/user_manager.py b/app/user_manager.py
index bb6217995..e863b93dd 100644
--- a/app/user_manager.py
+++ b/app/user_manager.py
@@ -36,7 +36,7 @@ class UserManager():
 
         self.settings = AppSettings(self)
         if not os.path.exists(user_directory):
-            os.mkdir(user_directory)
+            os.makedirs(user_directory, exist_ok=True)
             if not args.multi_user:
                 print("****** User settings have been changed to be stored on the server instead of browser storage. ******")
                 print("****** For multi-user setups add the --multi-user CLI argument to enable multiple user profiles. ******")

From 497db6212faea643d3aac1253ccfa23834109881 Mon Sep 17 00:00:00 2001
From: comfyanonymous <comfyanonymous@protonmail.com>
Date: Tue, 26 Nov 2024 17:51:40 -0500
Subject: [PATCH 2/2] Alternative fix for #5767

---
 comfy/model_base.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/comfy/model_base.py b/comfy/model_base.py
index 3c385cda9..c305014a4 100644
--- a/comfy/model_base.py
+++ b/comfy/model_base.py
@@ -712,7 +712,13 @@ class Flux(BaseModel):
         super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.flux.model.Flux)
 
     def concat_cond(self, **kwargs):
-        num_channels = self.diffusion_model.img_in.weight.shape[1] // (self.diffusion_model.patch_size * self.diffusion_model.patch_size)
+        try:
+            #Handle Flux control loras dynamically changing the img_in weight.
+            num_channels = self.diffusion_model.img_in.weight.shape[1] // (self.diffusion_model.patch_size * self.diffusion_model.patch_size)
+        except:
+            #Some cases like tensorrt might not have the weights accessible
+            num_channels = self.model_config.unet_config["in_channels"]
+
         out_channels = self.model_config.unet_config["out_channels"]
 
         if num_channels <= out_channels: