Remove supported Pythons from environments

jedi/api/environment.py

@@ -17,7 +17,7 @@ import parso
 
 _VersionInfo = namedtuple('VersionInfo', 'major minor micro')
 
-_SUPPORTED_PYTHONS = ['3.8', '3.7', '3.6', '3.5', '2.7']
+_SUPPORTED_PYTHONS = ['3.8', '3.7', '3.6']
 _SAFE_PATHS = ['/usr/bin', '/usr/local/bin']
 _CONDA_VAR = 'CONDA_PREFIX'
 _CURRENT_VERSION = '%s.%s' % (sys.version_info.major, sys.version_info.minor)

jedi/inference/compiled/subprocess/__init__.py

@@ -18,7 +18,7 @@ import weakref
 from functools import partial
 from threading import Thread
 
-from jedi._compatibility import is_py3, \
+from jedi._compatibility import \
     pickle_dump, pickle_load, GeneralizedPopen
 from jedi import debug
 from jedi.cache import memoize_method