python django iam stack in this part of code shown below .error displayed un IndentationError: unindent does not match any outer indentation level
<pre><code>from __future__ import unicode_literals

from django.db import models

# Create your simplesite models here.

class simplesite(models.Model):
    name=models.CharField(max_length=100)
    due_date=models.DateTimeField()

#simplest app model

class simplest(models.Model):
    simple_site=models.foreignkey(simplesite)
    name=models.CharField(max_length=100)
    due_date=models.DateTimeField()
</code></pre>

<p>This is the error displayed when i run this command: <code>python .\manage.py makemigrations simplest</code></p>

<pre><code>PS C:\django\simplesite&gt; python .\manage.py makemigrations simplest
    Traceback (most recent call last):
File ".\manage.py", line 22, in &lt;module&gt;
        execute_from_command_line(sys.argv)
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 367, in execute_from_command_line
        utility.execute()
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 341, in execute
        django.setup()
File "C:\Python27\lib\site-packages\django\__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
File "C:\Python27\lib\site-packages\django\apps\registry.py", line 108, in populate
    app_config.import_models(all_models)
File "C:\Python27\lib\site-packages\django\apps\config.py", line 199, in import_models
    self.models_module = import_module(models_module_name)
File "C:\Python27\lib\importlib\__init__.py", line 37, in import_module
    __import__(name)
File "C:\django\simplesite\simplest\models.py", line 9
    due_date=models.DateTimeField()
                                  ^
IndentationError: unindent does not match any outer indentation level
</code></pre>

<p>any please help i am stack on that place .i am a beginner in python django framework</p>

<p>This is a basic python syntax issue. Make sure you have not mixed spaces and tabs in your indentation.</p>

python django