diff --git a/pychron/core/ui/qt/tabular_editor.py b/pychron/core/ui/qt/tabular_editor.py
index e7f6736f9..50e50871e 100644
--- a/pychron/core/ui/qt/tabular_editor.py
+++ b/pychron/core/ui/qt/tabular_editor.py
@@ -19,7 +19,6 @@
 from pickle import dumps
 
 import six
-from PyQt5.QtCore import QSize
 from pyface.qt import QtCore, QtGui
 from pyface.qt.QtGui import QHeaderView, QApplication
 from traits.api import (
@@ -377,7 +376,7 @@ def sizeHint(self):
         try:
             return super(_TableView, self).sizeHint()
         except TypeError:
-            return QSize()
+            return QtCore.QSize()
 
     # private
     def _copy(self):
diff --git a/pychron/core/ui/qt/video_editor.py b/pychron/core/ui/qt/video_editor.py
index 9d7cf2218..aca17496f 100644
--- a/pychron/core/ui/qt/video_editor.py
+++ b/pychron/core/ui/qt/video_editor.py
@@ -13,17 +13,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ===============================================================================
-from PyQt5 import QtWidgets
-from PyQt5.QtCore import QTimer, QSize, Qt, QPoint
-from PyQt5.QtGui import QImage, QPixmap, QPainter, QPen
-from pyface.qt import QtCore
+from pyface.qt import QtWidgets, QtCore
+from pyface.qt.QtCore import QTimer, QSize, Qt, QPoint
+from pyface.qt.QtGui import QImage, QPixmap, QPainter, QPen, QLabel
 from traitsui.basic_editor_factory import BasicEditorFactory
 
 try:
     import vlc
 except ImportError:
     pass
-from PyQt5.QtWidgets import QLabel
 from traitsui.qt4.editor import Editor
 
 from traits.api import Any
diff --git a/pychron/envisage/tasks/actions.py b/pychron/envisage/tasks/actions.py
index 125cd5449..09de35c92 100644
--- a/pychron/envisage/tasks/actions.py
+++ b/pychron/envisage/tasks/actions.py
@@ -45,8 +45,8 @@ def get_key_binding(k_id):
 
     try:
         return user_key_map[k_id][0]
-    except KeyError:
-        pass
+    except (KeyError, IndexError, TypeError) as e:
+        print(f'Key binding "{k_id}" not found. {e}')
 
 
 class myTaskAction(TaskAction):
diff --git a/pychron/experiment/utilities/human_error_checker.py b/pychron/experiment/utilities/human_error_checker.py
index 7be532d29..b4651d8b7 100644
--- a/pychron/experiment/utilities/human_error_checker.py
+++ b/pychron/experiment/utilities/human_error_checker.py
@@ -250,6 +250,12 @@ def _check_run(self, run, inform, test):
         # self._mass_spec_required = True
         self._set_extraction_line_required(run)
 
+        # check for syn extraction
+        if run.extraction_script:
+            if "syn" in run.extraction_script:
+                if not run.syn_extraction_script:
+                    return "syn extraction script missing"
+
     def _set_extraction_line_required(self, run):
         if any(
             (
diff --git a/pychron/image/toupcam/camera_v2.py b/pychron/image/toupcam/camera_v2.py
index b11d03aa9..b9b9c6d2f 100644
--- a/pychron/image/toupcam/camera_v2.py
+++ b/pychron/image/toupcam/camera_v2.py
@@ -21,7 +21,7 @@
 from copy import copy
 from io import StringIO
 from PIL import Image
-from PyQt5.QtGui import QImage
+from pyface.qt.QtGui import QImage
 from numpy import zeros, uint8, uint32
 
 # ============= enthought library imports =======================
diff --git a/pychron/updater/library_manager.py b/pychron/updater/library_manager.py
index 847b214af..2ce15d808 100644
--- a/pychron/updater/library_manager.py
+++ b/pychron/updater/library_manager.py
@@ -17,7 +17,7 @@
 import subprocess
 import sys
 
-from PyQt5.QtWidgets import QApplication
+from pyface.qt.QtGui import QApplication
 from traits.api import HasTraits, Str, List, Int, Button
 from traitsui.api import View, UItem, Item, TabularEditor, HGroup
 from traitsui.tabular_adapter import TabularAdapter