force re-copy of data/files

generate_workflow.py

@@ -348,7 +348,7 @@ def generate_dockerfile(output_dir, local_config, waw_dir = "./"):
                 file = os.path.normpath(waw_dir + "/tools/" + tool_name + "/data/" + data["name"])
                 files += "COPY ./files/data/" + data["name"] + " /" + data["name"] + "\n"
                 # Copy files
-                shutil.copytree(file, output_dir + '/files/data/' + data["name"])
+                shutil.copytree(file, output_dir + '/files/data/' + data["name"], dirs_exist_ok=True)
 
     files += "COPY files /workflow\n"
     files += "COPY sagApp /sagApp\n\n"