diff --git a/setup.py b/setup.py
index 56d06f3f..2ba3e767 100755
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,6 @@
 
 from setuptools import find_packages, setup
 
-
 install = [
     'odfpy',
     'openpyxl>=2.4.0',
diff --git a/src/tablib/__init__.py b/src/tablib/__init__.py
index fafb569a..e94e9394 100644
--- a/src/tablib/__init__.py
+++ b/src/tablib/__init__.py
@@ -1,9 +1,15 @@
 """ Tablib. """
-from pkg_resources import get_distribution, DistributionNotFound
+from pkg_resources import DistributionNotFound, get_distribution
 
 from tablib.core import (
-    Databook, Dataset, detect_format, import_set, import_book,
-    InvalidDatasetType, InvalidDimensions, UnsupportedFormat
+    Databook,
+    Dataset,
+    InvalidDatasetType,
+    InvalidDimensions,
+    UnsupportedFormat,
+    detect_format,
+    import_book,
+    import_set,
 )
 
 try:
diff --git a/src/tablib/core.py b/src/tablib/core.py
index 61c7a500..17d9621c 100644
--- a/src/tablib/core.py
+++ b/src/tablib/core.py
@@ -14,7 +14,6 @@
 
 from tablib import formats
 
-
 __title__ = 'tablib'
 __author__ = 'Kenneth Reitz'
 __license__ = 'MIT'
diff --git a/src/tablib/formats/__init__.py b/src/tablib/formats/__init__.py
index 9542d9a1..12f2610e 100644
--- a/src/tablib/formats/__init__.py
+++ b/src/tablib/formats/__init__.py
@@ -2,18 +2,18 @@
 """
 
 from . import _csv as csv
-from . import _json as json
-from . import _xls as xls
-from . import _yaml as yaml
-from . import _tsv as tsv
-from . import _html as html
-from . import _xlsx as xlsx
-from . import _ods as ods
 from . import _dbf as dbf
-from . import _latex as latex
 from . import _df as df
-from . import _rst as rst
+from . import _html as html
 from . import _jira as jira
+from . import _json as json
+from . import _latex as latex
+from . import _ods as ods
+from . import _rst as rst
+from . import _tsv as tsv
+from . import _xls as xls
+from . import _xlsx as xlsx
+from . import _yaml as yaml
 
 # xlsx before as xls (xlrd) can also read xlsx
 available = (json, xlsx, xls, yaml, csv, dbf, tsv, html, jira, latex, ods, df, rst)
diff --git a/src/tablib/formats/_csv.py b/src/tablib/formats/_csv.py
index 975d1714..8bd3728c 100644
--- a/src/tablib/formats/_csv.py
+++ b/src/tablib/formats/_csv.py
@@ -4,7 +4,6 @@
 import csv
 from io import StringIO
 
-
 title = 'csv'
 extensions = ('csv',)
 
diff --git a/src/tablib/formats/_dbf.py b/src/tablib/formats/_dbf.py
index 2a6df323..7ac814e0 100644
--- a/src/tablib/formats/_dbf.py
+++ b/src/tablib/formats/_dbf.py
@@ -4,11 +4,9 @@
 import os
 import tempfile
 
-from tablib.packages.dbfpy import dbf
-from tablib.packages.dbfpy import dbfnew
+from tablib.packages.dbfpy import dbf, dbfnew
 from tablib.packages.dbfpy import record as dbfrecord
 
-
 title = 'dbf'
 extensions = ('csv',)
 
diff --git a/src/tablib/formats/_json.py b/src/tablib/formats/_json.py
index f427ff2e..98879ac2 100644
--- a/src/tablib/formats/_json.py
+++ b/src/tablib/formats/_json.py
@@ -6,7 +6,6 @@
 
 import tablib
 
-
 title = 'json'
 extensions = ('json', 'jsn')
 
diff --git a/src/tablib/formats/_latex.py b/src/tablib/formats/_latex.py
index fae2ceb2..0b1e3bc5 100644
--- a/src/tablib/formats/_latex.py
+++ b/src/tablib/formats/_latex.py
@@ -4,7 +4,6 @@
 """
 import re
 
-
 title = 'latex'
 extensions = ('tex',)
 
diff --git a/src/tablib/formats/_ods.py b/src/tablib/formats/_ods.py
index 43a2cfb7..c8745147 100644
--- a/src/tablib/formats/_ods.py
+++ b/src/tablib/formats/_ods.py
@@ -2,6 +2,7 @@
 """
 
 from io import BytesIO
+
 from odf import opendocument, style, table, text
 
 title = 'ods'
diff --git a/src/tablib/formats/_rst.py b/src/tablib/formats/_rst.py
index 8067f73e..3f8c369e 100644
--- a/src/tablib/formats/_rst.py
+++ b/src/tablib/formats/_rst.py
@@ -5,7 +5,6 @@
 from statistics import median
 from textwrap import TextWrapper
 
-
 title = 'rst'
 extensions = ('rst',)
 
diff --git a/src/tablib/formats/_tsv.py b/src/tablib/formats/_tsv.py
index 380b4e64..cdc85bd5 100644
--- a/src/tablib/formats/_tsv.py
+++ b/src/tablib/formats/_tsv.py
@@ -1,11 +1,9 @@
 """ Tablib - TSV (Tab Separated Values) Support.
 """
 
-from tablib.formats._csv import (
-    export_set as export_set_wrapper,
-    import_set as import_set_wrapper,
-    detect as detect_wrapper,
-)
+from tablib.formats._csv import detect as detect_wrapper
+from tablib.formats._csv import export_set as export_set_wrapper
+from tablib.formats._csv import import_set as import_set_wrapper
 
 title = 'tsv'
 extensions = ('tsv',)
diff --git a/src/tablib/formats/_xls.py b/src/tablib/formats/_xls.py
index 3fc94aff..d405c775 100644
--- a/src/tablib/formats/_xls.py
+++ b/src/tablib/formats/_xls.py
@@ -3,10 +3,11 @@
 
 from io import BytesIO
 
-import tablib
 import xlrd
 import xlwt
 
+import tablib
+
 title = 'xls'
 extensions = ('xls',)
 
diff --git a/src/tablib/formats/_xlsx.py b/src/tablib/formats/_xlsx.py
index 6ac46b97..6774ef1c 100644
--- a/src/tablib/formats/_xlsx.py
+++ b/src/tablib/formats/_xlsx.py
@@ -4,6 +4,7 @@
 from io import BytesIO
 
 import openpyxl
+
 import tablib
 
 Workbook = openpyxl.workbook.Workbook
diff --git a/src/tablib/formats/_yaml.py b/src/tablib/formats/_yaml.py
index 37078768..54b635ec 100644
--- a/src/tablib/formats/_yaml.py
+++ b/src/tablib/formats/_yaml.py
@@ -1,9 +1,10 @@
 """ Tablib - YAML Support.
 """
 
-import tablib
 import yaml
 
+import tablib
+
 title = 'yaml'
 extensions = ('yaml', 'yml')
 
diff --git a/src/tablib/packages/dbfpy/dbf.py b/src/tablib/packages/dbfpy/dbf.py
index cd9999dd..dd38c9c3 100644
--- a/src/tablib/packages/dbfpy/dbf.py
+++ b/src/tablib/packages/dbfpy/dbf.py
@@ -62,8 +62,7 @@
 
 __all__ = ["Dbf"]
 
-from . import header
-from . import record
+from . import header, record
 from .utils import INVALID_VALUE
 
 
diff --git a/src/tablib/packages/dbfpy/header.py b/src/tablib/packages/dbfpy/header.py
index 05db8800..e4074271 100644
--- a/src/tablib/packages/dbfpy/header.py
+++ b/src/tablib/packages/dbfpy/header.py
@@ -19,8 +19,8 @@
 
 __all__ = ["DbfHeader"]
 
-import io
 import datetime
+import io
 import struct
 import sys
 
diff --git a/src/tablib/packages/dbfpy/record.py b/src/tablib/packages/dbfpy/record.py
index db79e865..86830b98 100644
--- a/src/tablib/packages/dbfpy/record.py
+++ b/src/tablib/packages/dbfpy/record.py
@@ -20,6 +20,7 @@
 
 from . import utils
 
+
 class DbfRecord:
     """DBF record.
 
diff --git a/tests/test_tablib.py b/tests/test_tablib.py
index 5464a8d9..2f37fdb1 100755
--- a/tests/test_tablib.py
+++ b/tests/test_tablib.py
@@ -9,6 +9,7 @@
 from uuid import uuid4
 
 from MarkupPy import markup
+
 import tablib
 from tablib.core import Row, detect_format
 from tablib.formats import _csv as csv_module
diff --git a/tox.ini b/tox.ini
index c3eaa2a5..ab712daa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,11 +24,12 @@ basepython = python3.7
 deps =
     flake8
     # flake8-black
-    # flake8-isort
+    isort
     twine
     check-manifest
 commands =
     # flake8 src/tablib tests/
+    isort --check-only
     check-manifest -v
     python setup.py sdist
     twine check dist/*