django - python manage.py runserver not working on Macbook 10.8 -

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running folllowing command

$python2.6 manage.py runserver

gives ouput:

traceback (most recent call last):   file "manage.py", line 8, in <module>     django.core.management import execute_from_command_line importerror: no module named django.core.management

i tried many solutions out there of no use.

when try install django again using pip,

$ pip install django

it give following output:

requirement satisfied (use --upgrade upgrade): django in /library/python/2.7/site-packages cleaning up...

and trying 

$ pip freeze

gives following output,

django==1.5.4 mysql-python==1.2.4 ... ... ... wsgiref==0.1.2 xattr==0.6.2 zope.interface==3.5.1

i dont know do? please wasted whole trying run successfully. thanks.

update:

when tried running 

$ python2.7 manage.py runserver

it gives me following error

validating models...  unhandled exception in thread started <bound method command.inner_run of <django.contrib.staticfiles.management.commands.runserver.command object @ 0x107e63050>> traceback (most recent call last):   file "/library/python/2.7/site-packages/django/core/management/commands/runserver.py", line 92, in inner_run     self.validate(display_num_errors=true)   file "/library/python/2.7/site-packages/django/core/management/base.py", line 280, in validate     num_errors = get_validation_errors(s, app)   file "/library/python/2.7/site-packages/django/core/management/validation.py", line 28, in get_validation_errors     django.db import models, connection   file "/library/python/2.7/site-packages/django/db/__init__.py", line 40, in <module>     backend = load_backend(connection.settings_dict['engine'])   file "/library/python/2.7/site-packages/django/db/__init__.py", line 34, in __getattr__     return getattr(connections[default_db_alias], item)   file "/library/python/2.7/site-packages/django/db/utils.py", line 93, in __getitem__     backend = load_backend(db['engine'])   file "/library/python/2.7/site-packages/django/db/utils.py", line 27, in load_backend     return import_module('.base', backend_name)   file "/library/python/2.7/site-packages/django/utils/importlib.py", line 35, in import_module     __import__(name)   file "/library/python/2.7/site-packages/django/db/backends/mysql/base.py", line 17, in <module>     raise improperlyconfigured("error loading mysqldb module: %s" % e) django.core.exceptions.improperlyconfigured: error loading mysqldb module: dlopen(/users/tg/.python-eggs/mysql_python-1.2.4-py2.7-macosx-10.8-intel.egg-tmp/_mysql.so, 2): library not loaded: libmysqlclient.18.dylib   referenced from: /users/tg/.python-eggs/mysql_python-1.2.4-py2.7-macosx-10.8-intel.egg-tmp/_mysql.so    reason: image not found


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