From 2f4a5a483090516875cb9abea97ad6a2164f768b Mon Sep 17 00:00:00 2001
From: DarkPhoenix <phoenix@mail.ru>
Date: Fri, 31 Jan 2020 18:16:36 +0300
Subject: [PATCH] Fix improper use of operator "is" when comparing to literal
 values

---
 gui/characterEditor.py    | 2 +-
 gui/characterSelection.py | 2 +-
 gui/mainFrame.py          | 2 +-
 service/port/xml.py       | 4 ++--
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/gui/characterEditor.py b/gui/characterEditor.py
index 24ff84700..bc4718324 100644
--- a/gui/characterEditor.py
+++ b/gui/characterEditor.py
@@ -839,7 +839,7 @@ class APIView(wx.Panel):
 
     def getActiveCharacter(self):
         selection = self.charChoice.GetCurrentSelection()
-        return self.charChoice.GetClientData(selection) if selection is not -1 else None
+        return self.charChoice.GetClientData(selection) if selection != -1 else None
 
     def ssoListChanged(self, event):
         if not self:  # todo: fix event not unbinding properly
diff --git a/gui/characterSelection.py b/gui/characterSelection.py
index 27b781b7d..0ad63c948 100644
--- a/gui/characterSelection.py
+++ b/gui/characterSelection.py
@@ -122,7 +122,7 @@ class CharacterSelection(wx.Panel):
 
     def getActiveCharacter(self):
         selection = self.charChoice.GetCurrentSelection()
-        return self.charChoice.GetClientData(selection) if selection is not -1 else None
+        return self.charChoice.GetClientData(selection) if selection != -1 else None
 
     def refreshCharacterList(self, event=None):
         choice = self.charChoice
diff --git a/gui/mainFrame.py b/gui/mainFrame.py
index 05744a504..ac209bd91 100644
--- a/gui/mainFrame.py
+++ b/gui/mainFrame.py
@@ -254,7 +254,7 @@ class MainFrame(wx.Frame):
             except:
                 fits.remove(id)
 
-        if not self.prevOpenFits['enabled'] or len(fits) is 0:
+        if not self.prevOpenFits['enabled'] or len(fits) == 0:
             # add blank page if there are no fits to be loaded
             self.fitMultiSwitch.AddPage()
             return
diff --git a/service/port/xml.py b/service/port/xml.py
index 5f105a718..1377e15d5 100644
--- a/service/port/xml.py
+++ b/service/port/xml.py
@@ -88,7 +88,7 @@ def _resolve_ship(fitting, sMkt, b_localized):
             pyfalog.warning("Caught exception on _resolve_ship")
             pyfalog.error(e)
             limit -= 1
-            if limit is 0:
+            if limit == 0:
                 break
             shipType = anything
             must_retry = True
@@ -132,7 +132,7 @@ def _resolve_module(hardware, sMkt, b_localized):
             pyfalog.warning("Caught exception on _resolve_module")
             pyfalog.error(e)
             limit -= 1
-            if limit is 0:
+            if limit == 0:
                 break
             moduleName = emergency
             must_retry = True