print warning when loading legacy canvas group pos file; fix lint

Signed-off-by: falkTX <falktx@falktx.com>

.travis/script-pylint.sh

@@ -19,6 +19,7 @@ ${pylint} \
     --max-line-length=120 \
     --max-locals=25 \
     --max-statements=100 \
+    --enable=bad-continuation \
     --disable=\
 bad-whitespace,\
 broad-except,\

source/frontend/carla_host.py

@@ -806,6 +806,7 @@ class HostWindow(QMainWindow):
             except:
                 return
 
+        print("NOTICE: loading old-style canvas group positions via legacy json file")
         patchcanvas.restoreGroupPositions(canvasdata)
         QTimer.singleShot(1000, self.slot_canvasRefresh)
 

source/frontend/widgets/racklistwidget.py

@@ -338,8 +338,8 @@ class RackListWidget(QListWidget):
 
             if not self.host.load_file(filename):
                 CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),
-                                  self.tr("Failed to load file"),
-                                  self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)
+                                 self.tr("Failed to load file"),
+                                 self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)
                 continue
 
             if filename.endswith(".carxp"):