diff --git a/reflectivity_ui/config/__init__.py b/reflectivity_ui/config/__init__.py
index 0226dc50..4c41e996 100644
--- a/reflectivity_ui/config/__init__.py
+++ b/reflectivity_ui/config/__init__.py
@@ -2,7 +2,6 @@
 General settings
 """
 
-
 # standard imports
 import json
 import os
@@ -13,6 +12,7 @@
 
 class Settings(object):
     r"""Singleton object containing the GUI settings as a dictionary"""
+
     _instance = None
 
     def __new__(cls, *args, **kwargs):
diff --git a/reflectivity_ui/interfaces/data_handling/data_info.py b/reflectivity_ui/interfaces/data_handling/data_info.py
index 7744ae81..21a7ab30 100644
--- a/reflectivity_ui/interfaces/data_handling/data_info.py
+++ b/reflectivity_ui/interfaces/data_handling/data_info.py
@@ -1,6 +1,7 @@
 """
     Meta-data information for MR reduction
 """
+
 # pylint: disable=too-few-public-methods, wrong-import-position, too-many-instance-attributes, wrong-import-order
 
 import sys
diff --git a/reflectivity_ui/interfaces/data_handling/data_manipulation.py b/reflectivity_ui/interfaces/data_handling/data_manipulation.py
index f3f10b2a..01636fdc 100644
--- a/reflectivity_ui/interfaces/data_handling/data_manipulation.py
+++ b/reflectivity_ui/interfaces/data_handling/data_manipulation.py
@@ -1,6 +1,7 @@
 """
     Methods used to process data, usually calling Mantid
 """
+
 # pylint: disable=invalid-name, too-many-instance-attributes, line-too-long, multiple-statements, bare-except, protected-access, wrong-import-position
 
 import sys
diff --git a/reflectivity_ui/interfaces/data_handling/data_set.py b/reflectivity_ui/interfaces/data_handling/data_set.py
index a944878e..3050854c 100644
--- a/reflectivity_ui/interfaces/data_handling/data_set.py
+++ b/reflectivity_ui/interfaces/data_handling/data_set.py
@@ -2,6 +2,7 @@
     Loader for event nexus files.
     Uses Mantid Framework
 """
+
 # pylint: disable=invalid-name, too-many-instance-attributes, line-too-long, multiple-statements, bare-except, wrong-import-order, \
 # too-many-locals, too-few-public-methods, wrong-import-position, too-many-public-methods
 
diff --git a/reflectivity_ui/interfaces/data_handling/filepath.py b/reflectivity_ui/interfaces/data_handling/filepath.py
index 2e0f31d7..16a7bd87 100644
--- a/reflectivity_ui/interfaces/data_handling/filepath.py
+++ b/reflectivity_ui/interfaces/data_handling/filepath.py
@@ -2,7 +2,6 @@
 Classes to handle string representations of sets of run numbers and absolute paths to data files
 """
 
-
 # standard imports
 import itertools
 import operator
@@ -15,6 +14,7 @@ class RunNumbers(object):
     A helper class to handle string representations of one or more run numbers. It translates from a
     string representation to a list of run numbers, and viceversa
     """
+
     merge_symbol = "+"
     range_symbol = ":"
 
@@ -110,6 +110,7 @@ class FilePath(object):
 
     NOTE: Paths are sorted
     """
+
     merge_symbol = "+"
 
     @classmethod
diff --git a/reflectivity_ui/interfaces/data_handling/instrument.py b/reflectivity_ui/interfaces/data_handling/instrument.py
index e58d26e2..fcced4dc 100644
--- a/reflectivity_ui/interfaces/data_handling/instrument.py
+++ b/reflectivity_ui/interfaces/data_handling/instrument.py
@@ -3,6 +3,7 @@
     that is instrument-specific and abstracts out how we obtain
     information from the data file
 """
+
 # pylint: disable=invalid-name, too-many-instance-attributes, line-too-long, bare-except
 
 
diff --git a/reflectivity_ui/interfaces/data_handling/peak_finding.py b/reflectivity_ui/interfaces/data_handling/peak_finding.py
index 7d85dae1..d9e950dc 100644
--- a/reflectivity_ui/interfaces/data_handling/peak_finding.py
+++ b/reflectivity_ui/interfaces/data_handling/peak_finding.py
@@ -13,7 +13,6 @@
 All rights reserved.
 """
 
-
 import math
 import numpy as np
 
diff --git a/reflectivity_ui/interfaces/data_handling/processing_workflow.py b/reflectivity_ui/interfaces/data_handling/processing_workflow.py
index a053c120..02e0990b 100644
--- a/reflectivity_ui/interfaces/data_handling/processing_workflow.py
+++ b/reflectivity_ui/interfaces/data_handling/processing_workflow.py
@@ -1,6 +1,7 @@
 """
     Data processing workflow, taking results and writing them to files.
 """
+
 # pylint: disable=bare-except, too-many-locals
 
 import sys
diff --git a/reflectivity_ui/interfaces/event_handlers/widgets.py b/reflectivity_ui/interfaces/event_handlers/widgets.py
index 0edee96f..20c65332 100644
--- a/reflectivity_ui/interfaces/event_handlers/widgets.py
+++ b/reflectivity_ui/interfaces/event_handlers/widgets.py
@@ -1,6 +1,7 @@
 """
 Zoo for customized simple widgets
 """
+
 from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QVBoxLayout, QLabel, QPushButton
 
 
diff --git a/reflectivity_ui/interfaces/reduction_dialog.py b/reflectivity_ui/interfaces/reduction_dialog.py
index 721e86de..824f421f 100644
--- a/reflectivity_ui/interfaces/reduction_dialog.py
+++ b/reflectivity_ui/interfaces/reduction_dialog.py
@@ -2,6 +2,7 @@
    Dialog to select reduction options to choose which outputs are needed
    and in which formats to write them.
 """
+
 # pylint: disable=bare-except
 
 import os
diff --git a/reflectivity_ui/interfaces/result_viewer.py b/reflectivity_ui/interfaces/result_viewer.py
index 9c9525e3..531be4ee 100644
--- a/reflectivity_ui/interfaces/result_viewer.py
+++ b/reflectivity_ui/interfaces/result_viewer.py
@@ -1,6 +1,7 @@
 """
    Dialog to show final reduced data.
 """
+
 # pylint: disable=bare-except
 
 import logging