Remove last compat remnants

There are now no compat issues. With some work, the compat files can be
removed completely

djedi/compat.py

@@ -7,68 +7,63 @@
 from django.template.loader import render_to_string
 from django.template.response import TemplateResponse as BaseTemplateResponse
 from django.urls import NoReverseMatch, reverse
+from collections import namedtuple
+from inspect import getfullargspec
+from django.core.cache import caches
 
 
 def patterns(*urls):
     return list(urls)
 
 
-if django.VERSION >= (1, 9):
-
-    def parse_bits(parser, bits, params, varargs, varkw, defaults, takes_context, name):
-        from django.template import library
-
-        return library.parse_bits(
-            parser=parser,
-            bits=bits,
-            params=params,
-            varargs=varargs,
-            varkw=varkw,
-            defaults=defaults,
-            kwonly=(),
-            kwonly_defaults=(),
-            takes_context=takes_context,
-            name=name,
-        )
-
-    def generic_tag_compiler(
-        parser, token, params, varargs, varkw, defaults, name, takes_context, node_class
-    ):
-        """
-        Returns a template.Node subclass.
-
-        This got inlined into django.template.library since Django since 1.9, this here
-        is a copypasta replacement:
-        https://github.com/django/django/blob/stable/1.8.x/django/template/base.py#L1089
-        """
-        bits = token.split_contents()[1:]
-        args, kwargs = parse_bits(
-            parser, bits, params, varargs, varkw, defaults, takes_context, name
-        )
-        return node_class(takes_context, args, kwargs)
-
-
-if django.VERSION >= (1, 8):
-    # Always use the Django template engine on Django 1.8.
-    render_to_string = partial(render_to_string, using="django")
-    render = partial(render, using="django")
-
-    class TemplateResponse(BaseTemplateResponse):
-        def __init__(self, *args, **kwargs):
-            kwargs["using"] = "django"
-            super(TemplateResponse, self).__init__(*args, **kwargs)
+def parse_bits(parser, bits, params, varargs, varkw, defaults, takes_context, name):
+    from django.template import library
+
+    return library.parse_bits(
+        parser=parser,
+        bits=bits,
+        params=params,
+        varargs=varargs,
+        varkw=varkw,
+        defaults=defaults,
+        kwonly=(),
+        kwonly_defaults=(),
+        takes_context=takes_context,
+        name=name,
+    )
 
 
-from django.core.cache import caches
+def generic_tag_compiler(
+    parser, token, params, varargs, varkw, defaults, name, takes_context, node_class
+):
+    """
+    Returns a template.Node subclass.
+
+    This got inlined into django.template.library since Django since 1.9, this here
+    is a copypasta replacement:
+    https://github.com/django/django/blob/stable/1.8.x/django/template/base.py#L1089
+    """
+    bits = token.split_contents()[1:]
+    args, kwargs = parse_bits(
+        parser, bits, params, varargs, varkw, defaults, takes_context, name
+    )
+    return node_class(takes_context, args, kwargs)
+
+
+render_to_string = partial(render_to_string, using="django")
+render = partial(render, using="django")
+
+
+class TemplateResponse(BaseTemplateResponse):
+    def __init__(self, *args, **kwargs):
+        kwargs["using"] = "django"
+        super(TemplateResponse, self).__init__(*args, **kwargs)
 
 
 def get_cache(name):
     return caches[name]
 
 
-from collections import namedtuple
-from inspect import getfullargspec
-
 ArgSpec = namedtuple("ArgSpec", ["args", "varargs", "keywords", "defaults"])