diff --git a/codes/models/archs/arch_util.py b/codes/models/archs/arch_util.py
index ba2e2abd..7be2961f 100644
--- a/codes/models/archs/arch_util.py
+++ b/codes/models/archs/arch_util.py
@@ -367,6 +367,7 @@ class ConvGnLelu(nn.Module):
         else:
             return x
 
+
 ''' Convenience class with Conv->BN->SiLU. Includes weight initialization and auto-padding for standard
     kernel sizes. '''
 class ConvGnSilu(nn.Module):
diff --git a/codes/models/archs/teco_resgen.py b/codes/models/archs/teco_resgen.py
index b89220a9..06d93fd4 100644
--- a/codes/models/archs/teco_resgen.py
+++ b/codes/models/archs/teco_resgen.py
@@ -1,5 +1,9 @@
+import os
+
 import torch
 import torch.nn as nn
+import torchvision
+
 from utils.util import sequential_checkpoint
 from models.archs.arch_util import ConvGnSilu, make_layer
 
@@ -29,7 +33,6 @@ class TecoUpconv(nn.Module):
         self.final_conv = ConvGnSilu(nf, 3, kernel_size=1, norm=False, activation=False, bias=False)
 
     def forward(self, x):
-        identity = x
         x = self.conv1(x)
         x = self.conv2(x)
         x = nn.functional.interpolate(x, scale_factor=self.scale, mode="nearest")
@@ -59,5 +62,12 @@ class TecoGen(nn.Module):
         if ref is None:
             ref = torch.zeros_like(x)
         join = torch.cat([x, ref], dim=1)
-        return x + sequential_checkpoint(self.core, 6, join)
+        join = sequential_checkpoint(self.core, 6, join)
+        self.join = join.detach().clone() + .5
+        return x + join
 
+    def visual_dbg(self, step, path):
+        torchvision.utils.save_image(self.join.cpu().float(), os.path.join(path, "%i_join.png" % (step,)))
+
+    def get_debug_values(self, step, net_name):
+        return {'branch_std': self.join.std()}
diff --git a/codes/models/base_model.py b/codes/models/base_model.py
index be942956..c60afdc1 100644
--- a/codes/models/base_model.py
+++ b/codes/models/base_model.py
@@ -5,7 +5,6 @@ import torch.nn as nn
 from torch.nn.parallel.distributed import DistributedDataParallel
 
 import utils.util
-from apex import amp
 
 
 class BaseModel():