human
Solve the following python programming problem given the following code:
def _configure_django(self, **kw) : 
    'Auto-Configure Django using arguments.' 
    from django.conf import settings, global_settings 
    self.settings = settings 
    if settings.configured : 
        return 
(self.APP_DIR, app_filename) = os.path.split (os.path.realpath (inspect.stack () [2] [1])) 
    DEBUG = kw.get ('DEBUG', False) 
    md = { 
        
} 
    dp = { 
        
} 
    for (k, v) in kw.items () : 
        if isinstance (v, E) : 
            md [k] = v.value 
            setattr (global_esettings, k, v.value) 
if isinstance (v, DSetting) : 
            dp [k] = v 
for (k, v) in md.items () : 
        kw [k] = v 
for (k, v) in dp.items () : 
        if DEBUG : 
            if (v.dvalue is not NotSet) : 
                kw [k] = v.dvalue 
else : 
            if (v.pvalue is not NotSet) : 
                kw [k] = v.pvalue 
del md 
    del dp 
    def do_dp(key) : 
        if (key not in kw) : 
            return 
old = kw [key] 
        kw [key] = [] 
        for value in old : 
            if DEBUG : 
                if value.startswith ('prod:') : 
                    continue 
kw [key].append (value.replace ('debug:', '')) 
else : 
                if value.startswith ('debug:') : 
                    continue 
kw [key].append (value.replace ('prod:', '')) 
s_found = 0 
    sd = { 
        
} 
    for (k, v) in kw.items () : 
        if isinstance (v, MirrorSetting) : 
            s_found += 1 
            if (s_found > MirrorSetting.count) : 
                raise ImproperlyConfiguredError 
sd [k] = v 
if (MirrorSetting.count > s_found) : 
        raise ImproperlyConfiguredError 
for (k, v) in sd.items () : 
        kw [k] = kw [v.name] 
del sd 
    del s_found 
    do_dp ('MIDDLEWARE_CLASSES') 
    do_dp ('INSTALLED_APPS') 
    do_dp ('TEMPLATE_CONTEXT_PROCESSORS') 
    if ('debug' in kw) : 
        db = kw.pop ('debug') 
        if DEBUG : 
            kw.update (db) 
if ('regexers' in kw) : 
        self.update_regexers (kw.pop ('regexers')) 
self.mounts = kw.pop ('mounts', { 
     ...

    
    

    Fix the buggy line: if isinstance (admin_url ['db'], basestring) :
assistant
#Here is Python code to fix the buggy line: if isinstance (admin_url ['db'], basestring) :
.

if isinstance (kw ['db'], basestring) :