Minor change not on pypi

src/unitgrade_private/pipelines/dtulearn.py

+import fnmatch
 import pickle
 import shutil
 import os
@@ -262,13 +263,12 @@ def docker_stagewise_evaluation(base_directory, Dockerfile=None, instructor_grad
                     # merge the files...
                     for new_file in glob.glob(f +"/**/*", recursive=True):
                         # print(os.path.relpath(new_file, f))
+                        if os.path.isdir(new_file):
+                            continue
                         shutil.copy(new_file, dest + "/"+os.path.relpath(new_file, f))
 
                 # Now remove blacklisted files to simplify it.
                 for g in glob.glob(dest +"/**/*", recursive=True):
-                    import fnmatch
-                    # if g.endswith(".py"):
-                    #     print(g)
 
                     if len([ex for ex in stage0_excluded_files if fnmatch.fnmatch(g, ex)]) > 0:
                         # move to graveyeard of broken stuff.
@@ -540,7 +540,7 @@ def docker_stagewise_evaluation(base_directory, Dockerfile=None, instructor_grad
         if Dockerfile is None:
             images = download_docker_images()
             Dockerfile = images['unitgrade-docker']
-        tag = compile_docker_image(Dockerfile, verbose=verbose)
+        tag = compile_docker_image(Dockerfile, verbose=verbose or True)
 
         # This should create stage3. The directories that are ready for execution.
         recombined_evaluations = {}
@@ -731,7 +731,7 @@ def docker_stagewise_evaluation(base_directory, Dockerfile=None, instructor_grad
                 dockname = tag
 
             pycom = ".".join(grade_script_relative[:-3].split("/")) + " --noprogress"
-            pycom = "python3.11 -m " + pycom
+            pycom = f"{conf.get('python', 'python3.11')} -m {pycom}" #"python3.11 -m " + pycom
             if fix_user:
                 user_cmd = ' --user "$(id -u):$(id -g)" '
             else: