diff --git a/constants.py b/constants.py
index 753328f..fb3db45 100644
--- a/constants.py
+++ b/constants.py
@@ -45,7 +45,12 @@
 
 ########################################################################################################################
 # Task specific hyperparameters
+# Defaults
+RENDER_DEPTH_IMAGE = False
+RENDER_CLASS_IMAGE = False
+RENDER_OBJECT_IMAGE = False
 
+# Per task
 if TASK == 'navigation':
     RL = False
     SUPERVISED = True
diff --git a/requirements.txt b/requirements.txt
index 5822ea7..bce5c18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,4 @@ mss
 progressbar2
 tensorflow-gpu==1.5.0
 requests
-ai2thor==0.0.32
+ai2thor==0.0.34