Temporarily disable 'set -u' around conda activate to resolve MKL unbound variable error

start.sh

@@ -1,16 +1,22 @@
 #!/bin/bash
-set -eux
+set -eux # Keep this for debugging and seeing command execution
 
 export CUDA_VISIBLE_DEVICES="0"
 export CUDA_HOME="/usr/local/cuda"
 
 echo "Activating Conda environment and starting server..."
 
+# Temporarily disable 'exit on unbound variable' (-u) for conda activate
+# This is necessary because some conda activate scripts might try to use
+# variables that are not always set, which 'set -u' would treat as an error.
+set +u # Disable 'exit on unbound variable'
+
 # Activate the specific conda environment
-# Use '. ' (dot space) instead of 'source'
 . $CONDA_DIR/etc/profile.d/conda.sh # Source the conda.sh for the shell
 conda activate cosmos-predict1 # Activate the environment
 
+set -u # Re-enable 'exit on unbound variable' for the rest of the script
+
 # Set PYTHONPATH after conda activation for your specific project modules
 export PYTHONPATH="/app:/app/gui/api"