I had a problem when I ran "python manage.py rebuild_index" in my application supported by haystack and elasticsearch.
Traceback (last last call): File "manage.py", line 10, in execute_from_command_line (sys.argv) File "/usr/lib/python2.7/site-packages/django/core/management/ init .py" line 399, in> execute_from_command_line utility.execute () File "/usr/lib/python2.7/site-packages/django/core/management/ init .py", line 392, in> execute self.fetch_command (subcommand). run_from_argv (self.argv) File "/usr/lib/python2.7/site-packages/django/core/management/base.py", line 242, in> run_from_argv self.execute (* args, ** options. dict ) File "/usr/lib/python2.7/site-packages/django/core/management/base.py", line 285, executed by output = self.handle (* args, ** options) File "/ usr / lib / python2.7 / site-packages / haystack / management / commands / rebuild_index.py ", line 15, in the handle call_command ('clear_index', ** options) File" / us r / lib / python2.7 / site-packages / django / core / management / init .py ", line 159, in call_command return klass.execute (* args, ** defaults) File" /usr/lib/python2.7 /site-packages/django/core/management/base.py ", line 285, executed by output = self.handle (* args, ** options) File" /usr/lib/python2.7/site-packages/haystack /management/commands/clear_index.py ", line 48, in the handle backend = connections [backend_name] .get_backend () File" /usr/lib/python2.7/site-packages/haystack/utils/loading.py ", line 98, in getitem self._connections [key] = load_backend (self.connections_info [key] ['ENGINE']) (using =) File "/usr/lib/python2.7/site-packages/haystack/utils/loading. py ", line 51, in load_backend return import_class (full_backend_path) File" /usr/lib/python2.7/site-packages/haystack/utils/loading.py ", line 18, in import_class module_itself = importlib.import_module (mod ule_path) File "/usr/lib/python2.7/site-packages/django/utils/importlib.py", line 40, into import_module import (name) File "/usr/lib/python2.7/site-packages/ haystack / backends / elasticsearch_backend.py ", line 21, to raise MissingDependency (" elasticsearch backend requires installation of "queries".) haystack.exceptions.MissingDependency: installation of "queries" is required for backend "elasticsearch".
I installed all the packages needed to run these applications, but asks about requests, what is it?