diff --git a/mxcubecore/HardwareObjects/Gphl/GphlWorkflow.py b/mxcubecore/HardwareObjects/Gphl/GphlWorkflow.py
index 4c24af9920..1a0cf8f40b 100644
--- a/mxcubecore/HardwareObjects/Gphl/GphlWorkflow.py
+++ b/mxcubecore/HardwareObjects/Gphl/GphlWorkflow.py
@@ -453,11 +453,11 @@ def query_pre_strategy_params(self, choose_lattice=None):
             reslimits = (0.5, 5.0)
         if resolution < reslimits[0]:
             resolution = (
-                round(reslimits[0], resolution_decimals) + 0.1 ** resolution_decimals
+                round(reslimits[0], resolution_decimals) + 0.1**resolution_decimals
             )
         if resolution > reslimits[1]:
             resolution = (
-                round(reslimits[1], resolution_decimals) - 0.1 ** resolution_decimals
+                round(reslimits[1], resolution_decimals) - 0.1**resolution_decimals
             )
 
         fields["resolution"] = {
@@ -625,7 +625,6 @@ def query_pre_strategy_params(self, choose_lattice=None):
         elif not choose_lattice:
             # Characterisation
             ui_schema["parameters"]["column1"]["ui:order"].remove("point_groups")
-            pass
 
         else:
             # Acquisition
@@ -2356,64 +2355,64 @@ def process_centring_request(self, payload, correlation_id):
                     "Sample re-centering now active - Zoom in before continuing."
                 )
 
-    #         else:
-    #             # TODO The UI popup does not work in mxcubeweb
-    #             # NB Temporarily inactivated pending a fix
-    #
-    #             # Ask user to zoom
-    #             info_text = """Automatic sample re-centering is now active
-    # Switch to maximum zoom before continuing"""
-    #
-    #             schema = {
-    #                 "title": "GΦL Translational calibration",
-    #                 "type": "object",
-    #                 "properties": {},
-    #             }
-    #             fields = schema["properties"]
-    #             fields["_info"] = {
-    #                 "type": "textdisplay",
-    #                 "default": info_text,
-    #                 "readOnly": True,
-    #             }
-    #             ui_schema = {
-    #                 "ui:order": ["_info"],
-    #                 "ui:widget": "vertical_box",
-    #                 "ui:options": {
-    #                     "return_signal": self.PARAMETER_RETURN_SIGNAL,
-    #                     # "update_signal": self.PARAMETER_UPDATE_SIGNAL,
-    #                     # "update_on_change": "selected",
-    #                 },
-    #             }
-    #             self._return_parameters = gevent.event.AsyncResult()
-    #             try:
-    #                 dispatcher.connect(
-    #                     self.receive_ok_cancel,
-    #                     self.PARAMETER_RETURN_SIGNAL,
-    #                     dispatcher.Any,
-    #                 )
-    #                 responses = dispatcher.send(
-    #                     self.PARAMETERS_NEEDED,
-    #                     self,
-    #                     schema,
-    #                     ui_schema,
-    #                 )
-    #                 if not responses:
-    #                     self._return_parameters.set_exception(
-    #                         RuntimeError(
-    #                             "Signal %s is not connected" % self.PARAMETERS_NEEDED
-    #                         )
-    #                     )
-    #
-    #                 result = self._return_parameters.get()
-    #                 if result is StopIteration:
-    #                     return StopIteration
-    #             finally:
-    #                 dispatcher.disconnect(
-    #                     self.receive_ok_cancel,
-    #                     self.PARAMETER_RETURN_SIGNAL,
-    #                     dispatcher.Any,
-    #                 )
-    #                 self._return_parameters = None
+        #         else:
+        #             # TODO The UI popup does not work in mxcubeweb
+        #             # NB Temporarily inactivated pending a fix
+        #
+        #             # Ask user to zoom
+        #             info_text = """Automatic sample re-centering is now active
+        # Switch to maximum zoom before continuing"""
+        #
+        #             schema = {
+        #                 "title": "GΦL Translational calibration",
+        #                 "type": "object",
+        #                 "properties": {},
+        #             }
+        #             fields = schema["properties"]
+        #             fields["_info"] = {
+        #                 "type": "textdisplay",
+        #                 "default": info_text,
+        #                 "readOnly": True,
+        #             }
+        #             ui_schema = {
+        #                 "ui:order": ["_info"],
+        #                 "ui:widget": "vertical_box",
+        #                 "ui:options": {
+        #                     "return_signal": self.PARAMETER_RETURN_SIGNAL,
+        #                     # "update_signal": self.PARAMETER_UPDATE_SIGNAL,
+        #                     # "update_on_change": "selected",
+        #                 },
+        #             }
+        #             self._return_parameters = gevent.event.AsyncResult()
+        #             try:
+        #                 dispatcher.connect(
+        #                     self.receive_ok_cancel,
+        #                     self.PARAMETER_RETURN_SIGNAL,
+        #                     dispatcher.Any,
+        #                 )
+        #                 responses = dispatcher.send(
+        #                     self.PARAMETERS_NEEDED,
+        #                     self,
+        #                     schema,
+        #                     ui_schema,
+        #                 )
+        #                 if not responses:
+        #                     self._return_parameters.set_exception(
+        #                         RuntimeError(
+        #                             "Signal %s is not connected" % self.PARAMETERS_NEEDED
+        #                         )
+        #                     )
+        #
+        #                 result = self._return_parameters.get()
+        #                 if result is StopIteration:
+        #                     return StopIteration
+        #             finally:
+        #                 dispatcher.disconnect(
+        #                     self.receive_ok_cancel,
+        #                     self.PARAMETER_RETURN_SIGNAL,
+        #                     dispatcher.Any,
+        #                 )
+        #                 self._return_parameters = None
 
         settings = goniostatRotation.axisSettings.copy()
         if goniostatTranslation is not None:
diff --git a/mxcubecore/HardwareObjects/abstract/AbstractCollect.py b/mxcubecore/HardwareObjects/abstract/AbstractCollect.py
index 31fe8fe17c..2dc2b90c9e 100644
--- a/mxcubecore/HardwareObjects/abstract/AbstractCollect.py
+++ b/mxcubecore/HardwareObjects/abstract/AbstractCollect.py
@@ -24,7 +24,6 @@
 """
 
 import os
-import sys
 import logging
 import time
 import errno
diff --git a/mxcubecore/model/crystal_symmetry.py b/mxcubecore/model/crystal_symmetry.py
index 718c240fde..85cbd52b63 100644
--- a/mxcubecore/model/crystal_symmetry.py
+++ b/mxcubecore/model/crystal_symmetry.py
@@ -399,8 +399,9 @@
 )
 UI_LATTICES = BRAVAIS_LATTICES + ("mI",)
 
+
 def filter_crystal_classes(bravais_lattice, crystal_classes=()):
-    """ Filter crystal classes to select those compatible with selected Bravais lattice
+    """Filter crystal classes to select those compatible with selected Bravais lattice
 
     including sublattices
 
@@ -414,7 +415,8 @@ def filter_crystal_classes(bravais_lattice, crystal_classes=()):
     """
     compatibles = SUB_LATTICE_MAP[bravais_lattice[0]]
     result = tuple(
-        xcls for xcls in crystal_classes
+        xcls
+        for xcls in crystal_classes
         if CRYSTAL_CLASS_MAP[xcls].bravais_lattice[0] in compatibles
     )
     #
@@ -574,7 +576,7 @@ def strategy_laue_group(crystal_classes: tuple, phasing=False):
     return result
 
 
-def regularise_space_group(sgname:str):
+def regularise_space_group(sgname: str):
     """Convert finput (ISPyB) space gorup name to official space group name"""
 
     if sgname in SPACEGROUP_MAP: