diff --git a/code/wasseruhr.py b/code/wasseruhr.py
index 0c6438d..aab8b12 100644
--- a/code/wasseruhr.py
+++ b/code/wasseruhr.py
@@ -1,88 +1,88 @@
-from http.server import HTTPServer, BaseHTTPRequestHandler
-from urllib import parse
-import lib.ZaehlerstandClass
-import os
-import subprocess
-
-import socketserver
-
-class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
-    
-    def do_GET(self):
-        global wasserzaehler
-        url_parse = parse.urlparse(self.path)
-        query_parse = parse.parse_qs(url_parse.query)
-
-        if 'reload' in url_parse.path:
-            self.send_response(200)
-            self.send_header('Content-type', 'text/html')
-            self.end_headers()
-            result = 'Konfiguration wird neu geladen'
-            self.wfile.write(bytes(result, 'UTF-8'))             
-            del wasserzaehler
-            wasserzaehler = lib.ZaehlerstandClass.Zaehlerstand()
-            return
-           
-
-        if "/image_tmp/" in url_parse.path:
-            self.send_response(200)
-            size = str(os.stat('.'+self.path).st_size)
-            self.send_header('Content-type', 'image/jpg')
-            self.send_header('Content-length', size)
-            self.end_headers()
-            with open('.'+self.path, 'rb') as file: 
-                self.wfile.write(file.read()) # Read the file and send the contents
-            return
-
-        url = ''
-        if 'url' in query_parse:
-            url = query_parse['url'][0]
-
-        simple = True
-        if ('&full' in self.path) or ('?full' in self.path):
-            simple = False
-
-        single = False
-        if ('&single' in self.path) or ('?single' in self.path):
-            single = True
-
-        usePrevalue = False
-        if ('&usePreValue' in self.path) or ('?usePreValue' in self.path) or ('&usePrevalue' in self.path) or ('?usePrevalue' in self.path):
-            usePrevalue = True
-
-        value = ''
-        if 'value' in query_parse:
-            value = query_parse['value'][0]
-
-        if ('roi' in url_parse.path) or ('ROI' in url_parse.path):
-            result = wasserzaehler.getROI(url)
-            self.send_response(200)
-            self.send_header('Content-type', 'text/html')
-            self.end_headers()
-            self.wfile.write(bytes(result, 'UTF-8'))
-            return
-
-        if 'setPreValue' in url_parse.path:
-            result = wasserzaehler.setPreValue(value)
-            self.send_response(200)
-            self.send_header('Content-type', 'text/html')
-            self.end_headers()
-            self.wfile.write(bytes(result, 'UTF-8'))
-            return
-
-        if 'wasserzaehler' in url_parse.path:
-            result = wasserzaehler.getZaehlerstand(url, simple, usePrevalue, single)
-            self.send_response(200)
-            self.send_header('Content-type', 'text/html')
-            self.end_headers()
-            self.wfile.write(bytes(result, 'UTF-8'))
-            return
-
-if __name__ == '__main__':
-
-    wasserzaehler = lib.ZaehlerstandClass.Zaehlerstand()
-
-    PORT = 3000
-    with socketserver.TCPServer(("", PORT), SimpleHTTPRequestHandler) as httpd:
-        print("Wasserzaehler is serving at port", PORT)
-        httpd.serve_forever()
+from http.server import HTTPServer, BaseHTTPRequestHandler
+from urllib import parse
+import lib.ZaehlerstandClass
+import os
+import subprocess
+
+import socketserver
+
+class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
+    
+    def do_GET(self):
+        global wasserzaehler
+        url_parse = parse.urlparse(self.path)
+        query_parse = parse.parse_qs(url_parse.query)
+
+        if 'reload' in url_parse.path:
+            self.send_response(200)
+            self.send_header('Content-type', 'text/html')
+            self.end_headers()
+            result = 'Konfiguration wird neu geladen'
+            self.wfile.write(bytes(result, 'UTF-8'))             
+            del wasserzaehler
+            wasserzaehler = lib.ZaehlerstandClass.Zaehlerstand()
+            return
+           
+
+        if "/image_tmp/" in url_parse.path:
+            self.send_response(200)
+            size = str(os.stat('.'+self.path).st_size)
+            self.send_header('Content-type', 'image/jpg')
+            self.send_header('Content-length', size)
+            self.end_headers()
+            with open('.'+self.path, 'rb') as file: 
+                self.wfile.write(file.read()) # Read the file and send the contents
+            return
+
+        url = ''
+        if 'url' in query_parse:
+            url = query_parse['url'][0]
+
+        simple = True
+        if ('&full' in self.path) or ('?full' in self.path):
+            simple = False
+
+        single = False
+        if ('&single' in self.path) or ('?single' in self.path):
+            single = True
+
+        usePrevalue = False
+        if ('&usePreValue' in self.path) or ('?usePreValue' in self.path) or ('&usePrevalue' in self.path) or ('?usePrevalue' in self.path):
+            usePrevalue = True
+
+        value = ''
+        if 'value' in query_parse:
+            value = query_parse['value'][0]
+
+        if ('roi' in url_parse.path) or ('ROI' in url_parse.path):
+            result = wasserzaehler.getROI(url)
+            self.send_response(200)
+            self.send_header('Content-type', 'text/html')
+            self.end_headers()
+            self.wfile.write(bytes(result, 'UTF-8'))
+            return
+
+        if 'setPreValue' in url_parse.path:
+            result = wasserzaehler.setPreValue(value)
+            self.send_response(200)
+            self.send_header('Content-type', 'text/html')
+            self.end_headers()
+            self.wfile.write(bytes(result, 'UTF-8'))
+            return
+
+        if 'wasserzaehler' in url_parse.path:
+            result = wasserzaehler.getZaehlerstand(url, simple, usePrevalue, single)
+            self.send_response(200)
+            self.send_header('Content-type', 'text/html')
+            self.end_headers()
+            self.wfile.write(bytes(result, 'UTF-8'))
+            return
+
+if __name__ == '__main__':
+
+    wasserzaehler = lib.ZaehlerstandClass.Zaehlerstand()
+
+    PORT = 3000
+    with socketserver.TCPServer(("", PORT), SimpleHTTPRequestHandler) as httpd:
+        print("Wasserzaehler is serving at port", PORT)
+        httpd.serve_forever()