From 3a43e1186b8e85bf784b548d3ff67ba8f8af722c Mon Sep 17 00:00:00 2001
From: imcovangent <I.vanGent@tudelft.nl>
Date: Fri, 16 Mar 2018 15:26:11 +0100
Subject: [PATCH] Small PEP 8 corrections

Former-commit-id: 47d7bb1005440d596ca3e186a13cca3ac57e0bf0
---
 kadmos/graph/graph_data.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kadmos/graph/graph_data.py b/kadmos/graph/graph_data.py
index df2277559..78065c4db 100644
--- a/kadmos/graph/graph_data.py
+++ b/kadmos/graph/graph_data.py
@@ -315,8 +315,9 @@ class DataGraph(KadmosGraph):
             assert operator in operators, 'Operator has to be one of the following: %s' % operators.keys()
         elif isinstance(operator, list):
             assert len(operator) == 1 or len(operator) == 2, 'Only one or two operators can be provided.'
-            assert len(operator) == len(reference_value), '{} operators provided with {} reference values. Please provide ' \
-                                                          'equal sized lists.'.format(len(operator),len(reference_value))
+            assert len(operator) == len(reference_value), '{} operators provided with {} reference values. Please ' \
+                                                          'provide equal sized lists.'.format(len(operator),
+                                                                                              len(reference_value))
             for op in operator:
                 assert operators[op](1,0) or operators[op](0,1), 'Operator has to be one of the following: >, >=, < or <='
         else:
@@ -335,7 +336,7 @@ class DataGraph(KadmosGraph):
                                   "bounds".format(operator[0], reference_value[0], operator[1], reference_value[1]))
             else:
                 raise IOError("ERROR: the combination of {} and {} as bounds is not logical. "
-                              "Please correct the operators provided".format(operator[0],operator[1]))
+                              "Please correct the operators provided".format(operator[0], operator[1]))
 
         # Mark nodes
         self.node[node]['problem_role'] = self.PROBLEM_ROLES_VARS[2]
-- 
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