Minor fixes two missing includes make errors a bit more explicit in case of corrupted template

A25_A26/P256.py

@@ -22,7 +22,11 @@ class TemplateFixer:
     self.template_folder = os.path.join(vfs_root, 'simulation', 'templates')
 
   def fix_template(self, template_path):
+    try:
       tree = ET.parse(template_path)
+    except Exception as e:
+      print("Invalid file: " + template_path)
+      raise e
     root = tree.getroot()
     production_queue = root.find('ProductionQueue')
     if production_queue == None:

A25_A26/PlayerXMLFixer.py

@@ -10,6 +10,7 @@ from utils.fixers.BaseFixer import BaseFixer
 from pathlib import Path
 import os
 import json
+import shutil
 import xml.etree.ElementTree as ET
 
 class PlayerXMLFixer(BaseFixer):

utils/fixers/BaseFixer.py

@@ -10,6 +10,7 @@ from ..logger_utils.InterceptableLogger import InterceptableLogger
 from pathlib import Path
 import fileinput
 import os
+import xml.etree.ElementTree as ET
 
 class BaseFixer():
     def __init__(self, vfs_root, verbose=False, name=__name__):