bugfix utf-8 special char writing

main.py

@@ -116,24 +116,24 @@ async def get_module_config(module: str):
     tree = ET.parse("xml_configs/"+module+"_conf.xml")
     root = tree.getroot()
     #config = json.dumps(xmltodict.XmlDictConfig(root))
-    with open("xml_configs/"+module+"_conf.xml", encoding='utf8') as fd:
+    with open("xml_configs/"+module+"_conf.xml", encoding='utf-8') as fd:
         config = json.dumps(xmltodict.parse(fd.read()))
         return config
 @app.put("/modules/config/update")
 async def update_module_config(config: Conf):
     dict = {"module_configuration_file": config.module_configuration_file}
     xml = xmltodict.unparse(dict, pretty=True)
-    print(xml)
-    with open("xml_configs/" + config.module_configuration_file["@name"], "w") as fd:
+    with open("xml_configs/" + config.module_configuration_file["@name"], "w", encoding='utf-8') as fd:
         fd.write(xml)
         return
 
 @app.get("/modules/{module}/config/reset")
 async def reset_module_config(module:str):
-    with open("xml_configs/"+module+"_conf_default.xml", encoding='utf8') as fd:
-        config = json.dumps(xmltodict.parse(fd.read()))
-    with open("xml_configs/"+module+"_conf.xml", "w") as fd:
-        fd.write(config)
+    with open("xml_configs/"+module+"_conf_default.xml", encoding='utf-8') as fd:
+        dict = xmltodict.parse(fd.read())
+    xml = xmltodict.unparse(dict, pretty=True)
+    with open("xml_configs/"+module+"_conf.xml", "w", encoding='utf-8') as fd:
+        fd.write(xml)
     return
 
 @app.get("/graph/")