Use sys.path for bundled diffusers

app.py

@@ -1,6 +1,12 @@
 import os
+import sys
+
 os.environ.setdefault("PYTORCH_CUDA_ALLOC_CONF", "expandable_segments:True")
 
+# Use the bundled diffusers source (PR #2: huggingface/diffusers-new-model-addition-ideogram).
+_HERE = os.path.dirname(os.path.abspath(__file__))
+sys.path.insert(0, os.path.join(_HERE, "diffusers_src", "src"))
+
 import random
 
 import spaces