Remove pkg_resources (#3371)

* Remove pkg_resources

* Remove failing test

---------

Co-authored-by: Dillon Stadther <dlstadther@gmail.com>

Author: nileracecrew

doc/conf.py

@@ -17,7 +17,7 @@
 import datetime
 import sphinx.environment
 from docutils.utils import get_source_line
-from pkg_resources import get_distribution
+from importlib.metadata import Distribution
 
 
 try:
@@ -118,7 +118,7 @@ def _warn_node(self, msg, node, *args, **kwargs):
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
-__version__ = get_distribution('luigi').version  # assume luigi is already installed
+__version__ = Distribution.from_name('luigi').version  # assume luigi is already installed
 # The short X.Y version.
 version = ".".join(__version__.split(".")[0:2])
 # The full version, including alpha/beta/rc tags.

luigi/server.py

@@ -37,14 +37,14 @@
 
 import atexit
 import datetime
+import importlib
 import json
 import logging
 import os
 import signal
 import sys
 import time
 
-import pkg_resources
 import tornado.httpserver
 import tornado.ioloop
 import tornado.netutil
@@ -175,7 +175,7 @@ def initialize(self, scheduler):
         self._scheduler = scheduler
 
     def get_template_path(self):
-        return pkg_resources.resource_filename(__name__, 'templates')
+        return importlib.resources.files("templates").name
 
 
 class AllRunHandler(BaseTaskHistoryHandler):