Fixed up __future__ imports
diff --git a/asn1crypto/__init__.py b/asn1crypto/__init__.py
index e4e49b3..ad4e556 100644
--- a/asn1crypto/__init__.py
+++ b/asn1crypto/__init__.py
@@ -1 +1,5 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+
__version__ = '0.9.0'
diff --git a/asn1crypto/_teletex_codec.py b/asn1crypto/_teletex_codec.py
index 473ba9c..837d5c2 100644
--- a/asn1crypto/_teletex_codec.py
+++ b/asn1crypto/_teletex_codec.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
import codecs
diff --git a/asn1crypto/algos.py b/asn1crypto/algos.py
index 8ee6abb..416a912 100644
--- a/asn1crypto/algos.py
+++ b/asn1crypto/algos.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from .core import Any, Choice, Integer, ObjectIdentifier, OctetString, Sequence
diff --git a/asn1crypto/cms.py b/asn1crypto/cms.py
index 5264823..ed216a8 100644
--- a/asn1crypto/cms.py
+++ b/asn1crypto/cms.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
try:
import zlib
diff --git a/asn1crypto/core.py b/asn1crypto/core.py
index 00f147b..46ed9d2 100644
--- a/asn1crypto/core.py
+++ b/asn1crypto/core.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
import sys
import re
diff --git a/asn1crypto/crl.py b/asn1crypto/crl.py
index e7d80c7..3708685 100644
--- a/asn1crypto/crl.py
+++ b/asn1crypto/crl.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from .algos import SignedDigestAlgorithm
from .core import (
diff --git a/asn1crypto/keys.py b/asn1crypto/keys.py
index ab20e70..fc929ab 100644
--- a/asn1crypto/keys.py
+++ b/asn1crypto/keys.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
import hashlib
import math
diff --git a/asn1crypto/ocsp.py b/asn1crypto/ocsp.py
index 69f9abf..af913b0 100644
--- a/asn1crypto/ocsp.py
+++ b/asn1crypto/ocsp.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from .algos import DigestAlgorithm, SignedDigestAlgorithm
from .core import (
diff --git a/asn1crypto/pdf.py b/asn1crypto/pdf.py
index f707682..71e78d1 100644
--- a/asn1crypto/pdf.py
+++ b/asn1crypto/pdf.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from .cms import CMSAttributeType, CMSAttribute
from .core import (
diff --git a/asn1crypto/pkcs12.py b/asn1crypto/pkcs12.py
index 12eac9e..103d8d5 100644
--- a/asn1crypto/pkcs12.py
+++ b/asn1crypto/pkcs12.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from .algos import DigestInfo
from .core import (
diff --git a/asn1crypto/tsp.py b/asn1crypto/tsp.py
index 61fa7ca..e828d43 100644
--- a/asn1crypto/tsp.py
+++ b/asn1crypto/tsp.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from .algos import DigestAlgorithm
from .core import (
diff --git a/asn1crypto/x509.py b/asn1crypto/x509.py
index bfdf473..69a21d0 100644
--- a/asn1crypto/x509.py
+++ b/asn1crypto/x509.py
@@ -1,6 +1,5 @@
# coding: utf-8
from __future__ import unicode_literals
-from __future__ import absolute_import
from collections import OrderedDict