runtime errors now produce a stack trace

ldm/simplet2i.py

@@ -69,6 +69,7 @@
 import time
 import math
 import re
+import traceback
 
 from ldm.util import instantiate_from_config
 from ldm.models.diffusion.ddim     import DDIMSampler
@@ -415,7 +416,8 @@ def img2img(self,prompt,outdir=None,init_img=None,batch_size=None,iterations=Non
             print('*interrupted*')
             print('Partial results will be returned; if --grid was requested, nothing will be returned.')
         except RuntimeError as e:
-            print(str(e))
+            print("Oops! A runtime error has occurred. If this is unexpected, please copy-and-paste this stack trace and post it as an Issue to http://github.com/lstein/stable-diffusion")
+            traceback.print_exc()
 
         toc = time.time()
         print(f'{image_count} images generated in',"%4.2fs"% (toc-tic))

scripts/dream.py

@@ -80,8 +80,7 @@ def main():
         exit(-1)
 
     # preload the model
-    if not debugging:
-        t2i.load_model()
+    t2i.load_model()
     print("\n* Initialization done! Awaiting your command (-h for help, 'q' to quit, 'cd' to change output dir, 'pwd' to print output dir)...")
 
     log_path   = os.path.join(opt.outdir,'dream_log.txt')