pylightning: update getroute() docstring

contrib/pylightning/lightning/lightning.py

@@ -307,10 +307,9 @@ class LightningRpc(UnixDomainSocketRpc):
         Show route to {id} for {msatoshi}, using {riskfactor} and optional
         {cltv} (default 9). If specified search from {fromid} otherwise use
         this node as source. Randomize the route with up to {fuzzpercent}
-        (0.0 -> 100.0, default 5.0). {exclude} is an optional array of 
+        (0.0 -> 100.0, default 5.0). {exclude} is an optional array of
         scid/direction to exclude. Limit the number of hops in the route to
         {maxhops}.
-        
         """
         payload = {
             "id": node_id,