diff --git a/eos/effectHandlerHelpers.py b/eos/effectHandlerHelpers.py
index 8e73d42b6..0814d901f 100644
--- a/eos/effectHandlerHelpers.py
+++ b/eos/effectHandlerHelpers.py
@@ -159,7 +159,6 @@ class HandledModuleList(HandledList):
             dummy.position = index
             self[index] = dummy
 
-
     def toModule(self, index, mod):
         mod.position = index
         self[index] = mod
diff --git a/eos/saveddata/fit.py b/eos/saveddata/fit.py
index 8241f9579..135423c1f 100644
--- a/eos/saveddata/fit.py
+++ b/eos/saveddata/fit.py
@@ -39,6 +39,9 @@ logger = logging.getLogger(__name__)
 
 
 class ImplantLocation(Enum):
+    def __init__(self):
+        Enum.__init__(self)
+
     FIT = 0
     CHARACTER = 1
 
diff --git a/gui/builtinPreferenceViews/pyfaGeneralPreferences.py b/gui/builtinPreferenceViews/pyfaGeneralPreferences.py
index d084f1b93..ffb0ff92d 100644
--- a/gui/builtinPreferenceViews/pyfaGeneralPreferences.py
+++ b/gui/builtinPreferenceViews/pyfaGeneralPreferences.py
@@ -11,6 +11,7 @@ from service.fit import Fit
 from service.price import Price
 from service.market import Market
 
+
 class PFGeneralPref(PreferenceView):
     title = "General"
 
@@ -87,10 +88,10 @@ class PFGeneralPref(PreferenceView):
         self.stDefaultSystem.Wrap(-1)
         priceSizer.Add(self.stDefaultSystem, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 5)
 
-        self.chPriceSystem = wx.Choice( panel, choices=Price.systemsList.keys())
+        self.chPriceSystem = wx.Choice(panel, choices=Price.systemsList.keys())
         priceSizer.Add(self.chPriceSystem, 1, wx.ALL | wx.EXPAND, 5)
 
-        mainSizer.Add(priceSizer, 0, wx.ALL|wx.EXPAND, 0)
+        mainSizer.Add(priceSizer, 0, wx.ALL | wx.EXPAND, 0)
 
         self.sFit = Fit.getInstance()
 
@@ -208,4 +209,5 @@ class PFGeneralPref(PreferenceView):
         wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=fitID))
         event.Skip()
 
+
 PFGeneralPref.register()
diff --git a/gui/builtinStatsViews/priceViewFull.py b/gui/builtinStatsViews/priceViewFull.py
index 8d0dde937..0fbd24ff0 100644
--- a/gui/builtinStatsViews/priceViewFull.py
+++ b/gui/builtinStatsViews/priceViewFull.py
@@ -72,7 +72,6 @@ class PriceViewFull(StatsView):
             setattr(self, "labelPrice%s" % type.capitalize(), lbl)
             hbox.Add(lbl, 0, wx.ALIGN_LEFT)
 
-
     def refreshPanel(self, fit):
         if fit is not None:
             self.fit = fit
diff --git a/gui/graphFrame.py b/gui/graphFrame.py
index 2d66c4f8e..843033c5b 100644
--- a/gui/graphFrame.py
+++ b/gui/graphFrame.py
@@ -42,7 +42,6 @@ except ImportError:
     mplImported = False
 
 
-
 logger = logging.getLogger(__name__)
 
 
@@ -69,10 +68,9 @@ class GraphFrame(wx.Frame):
             from matplotlib.figure import Figure
             graphFrame_enabled = True
         except ImportError:
-            mpl = Canvas = Figure = None
+            Patch = mpl = Canvas = Figure = None
             graphFrame_enabled = False
 
-
         self.legendFix = False
         if not graphFrame_enabled:
             logger.info("Problems importing matplotlib; continuing without graphs")
@@ -284,7 +282,7 @@ class GraphFrame(wx.Frame):
                     selected_color = legend_colors[i]
                 except:
                     selected_color = None
-                legend2.append(self.Patch(color=selected_color,label=i_name),)
+                legend2.append(self.Patch(color=selected_color, label=i_name), )
 
             if len(legend2) > 0:
                 leg = self.subplot.legend(handles=legend2)
diff --git a/gui/mainFrame.py b/gui/mainFrame.py
index e2eb3a7c7..c55ac006e 100644
--- a/gui/mainFrame.py
+++ b/gui/mainFrame.py
@@ -142,7 +142,7 @@ class MainFrame(wx.Frame):
 
     @classmethod
     def getInstance(cls):
-        return cls.__instance if cls.__instance is not None else MainFrame()
+        return cls.__instance if cls.__instance is not None else MainFrame("")
 
     def __init__(self, title="pyfa"):
         self.title = title
diff --git a/service/fit.py b/service/fit.py
index ea05e3277..bbd6fb334 100644
--- a/service/fit.py
+++ b/service/fit.py
@@ -69,7 +69,9 @@ class Fit(object):
             "showMarketShortcuts": False,
             "enableGaugeAnimation": True,
             "exportCharges": True,
-            "priceSystem": "Jita"}
+            "openFitInNew": False,
+            "priceSystem": "Jita",
+        }
 
         self.serviceFittingOptions = SettingsProvider.getInstance().getSettings(
             "pyfaServiceFittingOptions", serviceFittingDefaultOptions)
diff --git a/service/price.py b/service/price.py
index cafe7f5d0..32e2f20bd 100644
--- a/service/price.py
+++ b/service/price.py
@@ -41,7 +41,7 @@ class Price(object):
     currentSystemId = ""
 
     @classmethod
-    def invalidPrices(self, prices):
+    def invalidPrices(cls, prices):
         for price in prices:
             price.time = 0
 
@@ -130,10 +130,9 @@ class Price(object):
             priceobj.failed = True
 
     @classmethod
-    def fitItemsList(self, fit):
+    def fitItemsList(cls, fit):
         # Compose a list of all the data we need & request it
-        typeIDs = []
-        typeIDs.append(fit.ship.item.ID)
+        typeIDs = [fit.ship.item.ID]
 
         for mod in fit.modules:
             if not mod.isEmpty:
@@ -151,4 +150,4 @@ class Price(object):
             for _ in xrange(cargo.amount):
                 typeIDs.append(cargo.itemID)
 
-        return typeIDs
\ No newline at end of file
+        return typeIDs