Removed codepath for Python < 3.6 #11949

kousikmitra · kousikmitra · commit 39b518189261 · 2019-11-18T21:07:43.000+05:30
diff --git a/IPython/core/interactiveshell.py b/IPython/core/interactiveshell.py
@@ -166,13 +166,7 @@ def removed_co_newlocals(function:types.FunctionType) -> types.FunctionType:
 # we still need to run things using the asyncio eventloop, but there is no
 # async integration
 from .async_helpers import (_asyncio_runner,  _asyncify, _pseudo_sync_runner)
-if sys.version_info > (3, 5):
-    from .async_helpers import _curio_runner, _trio_runner, _should_be_async
-else :
-    _curio_runner = _trio_runner = None
-
-    def _should_be_async(cell:str)->bool:
-        return False
+from .async_helpers import _curio_runner, _trio_runner, _should_be_async
 
 
 def _ast_asyncify(cell:str, wrapper_name:str) -> ast.Module:
@@ -2245,8 +2239,7 @@ def init_magics(self):
             m.NamespaceMagics, m.OSMagics, m.PackagingMagics,
             m.PylabMagics, m.ScriptMagics,
         )
-        if sys.version_info >(3,5):
-            self.register_magics(m.AsyncMagics)
+        self.register_magics(m.AsyncMagics)
 
         # Register Magic Aliases
         mman = self.magics_manager
diff --git a/IPython/lib/pretty.py b/IPython/lib/pretty.py
@@ -99,7 +99,7 @@ def _repr_pretty_(self, p, cycle):
 MAX_SEQ_LENGTH = 1000
 # The language spec says that dicts preserve order from 3.7, but CPython
 # does so from 3.6, so it seems likely that people will expect that.
-DICT_IS_ORDERED = sys.version_info >= (3, 6)
+DICT_IS_ORDERED = True
 _re_pattern_type = type(re.compile(''))
 
 def _safe_getattr(obj, attr, default=None):
diff --git a/IPython/terminal/interactiveshell.py b/IPython/terminal/interactiveshell.py
@@ -424,21 +424,10 @@ def prompt_for_code(self):
                 **self._extra_prompt_options())
         return text
 
-    def enable_win_unicode_console(self):
-        if sys.version_info >= (3, 6):
-            # Since PEP 528, Python uses the unicode APIs for the Windows
-            # console by default, so WUC shouldn't be needed.
-            return
-
-        import win_unicode_console
-        win_unicode_console.enable()
-
     def init_io(self):
         if sys.platform not in {'win32', 'cli'}:
             return
 
-        self.enable_win_unicode_console()
-
         import colorama
         colorama.init()
 
diff --git a/tools/gen_latex_symbols.py b/tools/gen_latex_symbols.py
@@ -11,10 +11,6 @@
 
 import os, sys
 
-if sys.version_info[0] < 3:
-    print("This script must be run with Python 3, exiting...")
-    sys.exit(1)
-
 # Import the Julia LaTeX symbols
 print('Importing latex_symbols.js from Julia...')
 import requests
