refactor: remove code explicitly choosing between py2 and py3

1 files changed, 4 insertions, 12 deletions

diff --git a/coverage/numbits.py b/coverage/numbits.py
index 6ca96fbc..7205b9f1 100644
--- a/coverage/numbits.py
+++ b/coverage/numbits.py
@@ -15,22 +15,14 @@ the future.  Use these functions to work with those binary blobs of data.
 """
 import json
 
-from coverage import env
 from coverage.backward import byte_to_int, bytes_to_ints, binary_bytes, zip_longest
 from coverage.misc import contract, new_contract
 
-if env.PY3:
-    def _to_blob(b):
-        """Convert a bytestring into a type SQLite will accept for a blob."""
-        return b
+def _to_blob(b):
+    """Convert a bytestring into a type SQLite will accept for a blob."""
+    return b
 
-    new_contract('blob', lambda v: isinstance(v, bytes))
-else:
-    def _to_blob(b):
-        """Convert a bytestring into a type SQLite will accept for a blob."""
-        return buffer(b)                                    # pylint: disable=undefined-variable
-
-    new_contract('blob', lambda v: isinstance(v, buffer))   # pylint: disable=undefined-variable
+new_contract('blob', lambda v: isinstance(v, bytes))
 
 
 @contract(nums='Iterable', returns='blob')