解决django.core.exceptions.ImproperlyConfigured: URL route 'article/<int: month

admin

Exception in thread django-main-thread:
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  File "C:\Program Files\Python38\lib\threading.py", line 932, in _bootstrap_inner
    self.run()
  File "C:\Program Files\Python38\lib\threading.py", line 870, in run
. x) d7 V* X9 U$ o  F- A    self._target(*self._args, **self._kwargs)
7 s4 t+ Q* t; ?3 t' V. x- \/ B  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\core\management\commands\runserver.py", line 117, in inner_run
7 H, \9 d( I9 U0 b    self.check(display_num_errors=True)
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\core\management\base.py", line 392, in check
2 Q. i- ?2 Q+ I1 i    all_issues = self._run_checks(
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\core\management\base.py", line 382, in _run_checks
    return checks.run_checks(**kwargs)
5 K3 Q3 H: S1 k9 X0 B8 ^! D4 Z& c  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\core\checks\registry.py", line 72, in run_checks
    new_errors = check(app_configs=app_configs)
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\core\checks\urls.py", line 13, in check_url_config
$ k% z6 N: r' d    return check_resolver(resolver)
  O) m; _1 |; p  J( j. D: E  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\core\checks\urls.py", line 23, in check_resolver
0 o2 o( t& ]+ K, B- H' _    return check_method()
- q/ t) L: t1 m4 O: O- J0 ^% Y6 Z  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\resolvers.py", line 407, in check
    for pattern in self.url_patterns:
. A; e7 I' M# K- C5 X# Q  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\utils\functional.py", line 48, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
2 q( H( C. l- K$ k  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\resolvers.py", line 588, in url_patterns
7 p8 j/ I/ J$ U5 _9 |    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\utils\functional.py", line 48, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\resolvers.py", line 581, in urlconf_module
; K3 n8 q: k# u; c    return import_module(self.urlconf_name)
  File "C:\Program Files\Python38\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
+ G& P8 [" p# {' R8 S& s, g6 X  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
$ I5 u! x( p' v" c  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
9 j" R7 l/ s; i' m; O) g, v  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\admin\Desktop\myproject\myproject\urls.py", line 23, in <module>
    path('hello/', include('hello.urls'), name=''),
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\conf.py", line 34, in include
    urlconf_module = import_module(urlconf_module)
, \: `, j. g9 t" G6 h0 _/ @7 m$ g  File "C:\Program Files\Python38\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
+ R7 I  E/ D$ N  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
" W( h5 o( n- f* Y  V) W* _  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
# q" ]+ `% l, b1 v' o. Z% u  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
5 m, ?" f2 S2 m3 M# d7 Y: x+ g  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
! Q+ q& o- O8 \3 n$ r1 S  File "C:\Users\admin\Desktop\myproject\hello\urls.py", line 10, in <module>
    path('article/<int: month>/', article_list, name='article_list'),
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\conf.py", line 70, in _path
    pattern = Pattern(route, name=name, is_endpoint=True)
# K+ v& G6 W. {* }# ~4 x3 P  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\resolvers.py", line 254, in __init__
# U+ u& |5 I+ l* F* }1 P$ c8 F    self.converters = _route_to_regex(str(route), is_endpoint)[1]
  File "C:\Users\admin\python3.8vitual\lib\site-packages\django\urls\resolvers.py", line 212, in _route_to_regex
. p3 O$ C, ]+ }8 J9 J) K) w    raise ImproperlyConfigured("URL route '%s' cannot contain whitespace." % route)
django.core.exceptions.ImproperlyConfigured: URL route 'article/<int: month>/' cannot contain whitespace.
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找了很久才知道，原来是因为格式的问题。
   path('article/<int: month>/', article_list, name='article_list'),
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在int后面不能添加空格，修改成
$ ^4 _' E" ?$ b( D+ M" \6 T  o" e  x   path('article/<int:month>/', article_list, name='article_list'),
即可。
问题解决。
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