Escaping querystring is not working

[afm-sayem]

I have colon (:) in my query string and escaping the colon is not working as expected. The query works in httpie.

debug output:

http://localhost:3000/games> get 'where[id\:gt]:=2'
HTTPie 0.9.9
Requests 2.13.0
Pygments 2.2.0
Python 2.7.12 (default, Nov 19 2016, 06:48:10) 
[GCC 5.4.0 20160609]
/usr/bin/python
Linux 4.4.0-59-generic

<Environment {
    "colors": 256, 
    "config": {
        "__meta__": {
            "about": "u'HTTPie configuration file'", 
            "help": "u'https://github.com/jkbrzt/httpie#config'", 
            "httpie": "u'0.9.4'"
        }, 
        "default_options": "[]"
    }, 
    "config_dir": "/home/kishan/.httpie", 
    "is_windows": false, 
    "stderr": "<open file '<stderr>', mode 'w' at 0x7fac21dbb1e0>", 
    "stderr_isatty": true, 
    "stdin": "<open file '<stdin>', mode 'r' at 0x7fac21dbb0c0>", 
    "stdin_encoding": "UTF-8", 
    "stdin_isatty": true, 
    "stdout": "<http_prompt.output.Printer object at 0x7fac1b3ce790>", 
    "stdout_encoding": "utf8", 
    "stdout_isatty": true
}>

>>> requests.request(**{
    "allow_redirects": false, 
    "auth": "None", 
    "cert": "None", 
    "data": {}, 
    "files": {}, 
    "headers": {
        "User-Agent": "HTTPie/0.9.9", 
        "where[id": "gt]:=2"
    }, 
    "method": "u'get'", 
    "params": {}, 
    "proxies": {}, 
    "stream": true, 
    "timeout": 30, 
    "url": "u'http://localhost:3000/games'", 
    "verify": true
})


http: error: ConnectionError: ('Connection aborted.', BadStatusLine("''",)) while doing GET request to URL: http://localhost:3000/games
('Connection aborted.', BadStatusLine("''",))

[eliangcs]

Fixed in v0.9.2.