Changing timeout so only read timeout is adjusted for addModality

orthancQR.py

@@ -15,7 +15,7 @@ class orthancQR:
    def addModality(self,name,aet,host,port):
       apiURL='/'.join([self.net.getCoreURL(),'modalities',name])
       v={"AET":aet,"Host":host,"Port":port}
-      response=self.net.put(apiURL,json.dumps(v),'json',timeout=urllib3.util.Timeout(connect=1.0,read=1.0))
+      response=self.net.put(apiURL,json.dumps(v),'json',timeout=urllib3.util.Timeout(read=0.5))
 
    def removeModality(self,name):
       apiURL='/'.join([self.net.getCoreURL(),'modalities',name])