Fix xwiz unit_cell file parameter name

src/geomtools/sfx/xwizio.py

@@ -26,7 +26,9 @@ def parse_xwiz_summary(filename):
             else:
                 group[key] = val
 
-        cell_path = xwiz_conf["unit_cell"]["file"]
+        cell_path = xwiz_conf["unit_cell"].get("file_path")
+        if cell_path is None:
+            cell_path = xwiz_conf["unit_cell"].get("file")
         cell_name = os.path.basename(cell_path)
         summary = ""
         for line in f: