sudo apt-get install python3-pip

 sudo apt-get install libxml2-dev libxslt-dev

 pip3 install pycurl lxml
pip3 install grab

 Downloading/unpacking pycurl
  Cannot fetch index base URL https://pypi.python.org/simple/
  Could not find any downloads that satisfy the requirement pycurl
Cleaning up...
No distributions at all found for pycurl
Storing debug log for failure in /root/.pip/pip.log

 Searching for grab
Reading https://pypi.python.org/simple/grab/
Download error on https://pypi.python.org/simple/grab/: [Errno -2] Name or service not known -- Some packages may not be found!
Couldn't find index page for 'grab' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.python.org/simple/
Download error on https://pypi.python.org/simple/: [Errno -2] Name or service not known -- Some packages may not be found!
No local packages or download links found for grab
error: Could not find suitable distribution for Requirement.parse('grab')

[guest@localhost ~]$ yum list *pycurl*
Загружены модули: auto-update-debuginfo, langpacks, refresh-packagekit
Установленные пакеты
python-pycurl.i686                     7.19.3-1.fc20           @updates         
python3-pycurl.i686                    7.19.3-1.fc20           @updates
Доступные пакеты
python-pycurl-debuginfo.i686           7.19.3-1.fc20           updates-debuginfo
[guest@localhost ~]$