Eldoc error: bad url

[sati-bodhi]

I get the following error when anaconda-mode is enabled.

Debugger entered--Lisp error: (error "Bad url: http%3A%2F%2F127.0.0.1%3A41943")
  error("Bad url: %s" "http%3A%2F%2F127.0.0.1%3A41943")
  url-retrieve-internal("http://127.0.0.1:41943" #f(compiled-function (status) #<bytecode -0x1871d2f1869a3feb>) (nil) t nil)
  url-retrieve("http://127.0.0.1:41943" #f(compiled-function (status) #<bytecode -0x1871d2f1869a3feb>) nil t)
  anaconda-mode-jsonrpc("eldoc" anaconda-mode-eldoc-callback)
  #f(compiled-function () #<bytecode 0x1f48a335a133>)()
  anaconda-mode-start(#f(compiled-function () #<bytecode 0x1f48a335a133>))
  anaconda-mode-call("eldoc" anaconda-mode-eldoc-callback)
  anaconda-mode-eldoc-function()
  eldoc--invoke-strategy(nil)
  eldoc-print-current-symbol-info()
  #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_13>()
  apply(#<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_13> nil)
  timer-event-handler([t 0 0 500000 nil #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_13> nil idle 0 nil])