diff --git a/environment-mac.yaml b/environment-mac.yaml
index 1466cc3193a..8067c712eec 100644
--- a/environment-mac.yaml
+++ b/environment-mac.yaml
@@ -32,16 +32,16 @@ dependencies:
   - omegaconf==2.1.1
   - onnx==1.12.0
   - onnxruntime==1.12.1
-  - opencv-python==4.5.5.64
   - pudb==2022.1
   - pytorch-lightning==1.6.5
-  - realesrgan==0.2.5.0
   - scipy==1.9.1
   - streamlit==1.12.2
   - sympy==1.10.1
   - tensorboard==2.9.0
   - torchmetrics==0.9.3
   - pip:
+    - opencv-python==4.6.0
+    - realesrgan==0.2.5.0
     - test-tube==0.7.5
     - transformers==4.21.2
     - torch-fidelity==0.3.0
diff --git a/ldm/modules/attention.py b/ldm/modules/attention.py
index 1321e9db1ee..894c4db8391 100644
--- a/ldm/modules/attention.py
+++ b/ldm/modules/attention.py
@@ -297,9 +297,9 @@ def forward(self, x, context=None):
 
     def _forward(self, x, context=None):
         x = x.contiguous() if x.device.type == 'mps' else x
-        x += self.attn1(self.norm1(x))
-        x += self.attn2(self.norm2(x), context=context)
-        x += self.ff(self.norm3(x))
+        x = self.attn1(self.norm1(x)) + x
+        x = self.attn2(self.norm2(x), context=context) + x
+        x = self.ff(self.norm3(x)) + x
         return x