Remove miscellaneous PY3 checks

hy/cmdline.py

@@ -35,7 +35,7 @@ from hy.importer import runhy
 from hy.completer import completion, Completer
 from hy.macros import macro, require
 from hy.models import HyExpression, HyString, HySymbol
-from hy._compat import builtins, PY3, FileNotFoundError
+from hy._compat import builtins, FileNotFoundError
 
 
 sys.last_type = None
@@ -661,7 +661,7 @@ def hy2py_main():
     if options.with_source:
         # need special printing on Windows in case the
         # codepage doesn't support utf-8 characters
-        if PY3 and platform.system() == "Windows":
+        if platform.system() == "Windows":
             for h in hst:
                 try:
                     print(h)
@@ -676,7 +676,7 @@ def hy2py_main():
         _ast = hy_compile(hst, '__main__', filename=filename, source=source)
 
     if options.with_ast:
-        if PY3 and platform.system() == "Windows":
+        if platform.system() == "Windows":
             _print_for_windows(astor.dump_tree(_ast))
         else:
             print(astor.dump_tree(_ast))
@@ -684,7 +684,7 @@ def hy2py_main():
         print()
 
     if not options.without_python:
-        if PY3 and platform.system() == "Windows":
+        if platform.system() == "Windows":
             _print_for_windows(astor.code_gen.to_source(_ast))
         else:
             print(astor.code_gen.to_source(_ast))

hy/core/shadow.hy

@@ -5,12 +5,10 @@
 ;;;; Hy shadow functions
 
 (import operator)
-(import [hy._compat [PY3]])
 
 (require [hy.core.bootstrap [*]])
 
-(if PY3
-  (import [functools [reduce]]))
+(import [functools [reduce]])
 
 (defn + [&rest args]
   "Shadowed `+` operator adds `args`."
@@ -60,7 +58,6 @@
   "Shadowed `%` operator takes `x` modulo `y`."
   (% x y))
 
-(if PY3
 (defn @ [a1 &rest a-rest]
   "Shadowed `@` operator matrix multiples `a1` by each `a-rest`."
   (reduce operator.matmul a-rest a1)))
@@ -173,5 +170,3 @@
   'and 'or 'not
   'is 'is-not 'in 'not-in
   'get])
-(if (not PY3)
-  (.remove EXPORTS '@))

hy/macros.py

@@ -9,7 +9,7 @@ import traceback
 
 from contextlib import contextmanager
 
-from hy._compat import PY3, reraise, rename_function
+from hy._compat import reraise, rename_function
 from hy.models import replace_hy_obj, HyExpression, HySymbol, wrap_value
 from hy.lex import mangle
 from hy.errors import (HyLanguageError, HyMacroExpansionError, HyTypeError,
@@ -74,9 +74,6 @@ def tag(name):
     def _(fn):
         _name = mangle('#{}'.format(name))
 
-        if not PY3:
-            _name = _name.encode('UTF-8')
-
         fn = rename_function(fn, _name)
 
         module = inspect.getmodule(fn)