diff --git a/capa/features/extractors/ida/__init__.py b/capa/features/extractors/ida/__init__.py
index 7f50cb97..c994faad 100644
--- a/capa/features/extractors/ida/__init__.py
+++ b/capa/features/extractors/ida/__init__.py
@@ -47,6 +47,7 @@ class IdaFeatureExtractor(FeatureExtractor):
 
     def get_functions(self):
         import capa.features.extractors.ida.helpers as ida_helpers
+
         # ignore library functions and thunk functions as identified by IDA
         for f in ida_helpers.get_functions(skip_thunks=True, skip_libs=True):
             yield add_ea_int_cast(f)
@@ -65,6 +66,7 @@ class IdaFeatureExtractor(FeatureExtractor):
 
     def get_instructions(self, f, bb):
         import capa.features.extractors.ida.helpers as ida_helpers
+
         for insn in ida_helpers.get_instructions_in_range(bb.start_ea, bb.end_ea):
             yield add_ea_int_cast(insn)
 
diff --git a/capa/features/extractors/ida/basicblock.py b/capa/features/extractors/ida/basicblock.py
index 75520b60..00ff9859 100644
--- a/capa/features/extractors/ida/basicblock.py
+++ b/capa/features/extractors/ida/basicblock.py
@@ -20,7 +20,6 @@ def get_printable_len(op):
     """
     op_val = capa.features.extractors.ida.helpers.mask_op_val(op)
 
-
     if op.dtype == idaapi.dt_byte:
         chars = struct.pack("<B", op_val)
     elif op.dtype == idaapi.dt_word:
@@ -72,6 +71,7 @@ def is_mov_imm_to_stack(insn):
 
     return True
 
+
 def bb_contains_stackstring(f, bb):
     """ check basic block for stackstring indicators
 
@@ -136,8 +136,9 @@ def main():
     for f in helpers.get_functions(skip_thunks=True, skip_libs=True):
         for bb in idaapi.FlowChart(f, flags=idaapi.FC_PREDS):
             features.extend(list(extract_features(f, bb)))
-            
+
     import pprint
+
     pprint.pprint(features)
 
 
diff --git a/capa/features/extractors/ida/file.py b/capa/features/extractors/ida/file.py
index c8f0bf1e..a227c82e 100644
--- a/capa/features/extractors/ida/file.py
+++ b/capa/features/extractors/ida/file.py
@@ -143,6 +143,7 @@ FILE_HANDLERS = (
 def main():
     """ """
     import pprint
+
     pprint.pprint(list(extract_features()))
 
 
diff --git a/capa/features/extractors/ida/function.py b/capa/features/extractors/ida/function.py
index 72d29b44..fd5d91b1 100644
--- a/capa/features/extractors/ida/function.py
+++ b/capa/features/extractors/ida/function.py
@@ -74,6 +74,7 @@ def main():
         features.extend(list(extract_features(f)))
 
     import pprint
+
     pprint.pprint(features)
 
 
diff --git a/capa/features/extractors/ida/insn.py b/capa/features/extractors/ida/insn.py
index 5ca3a91b..f6fa2dac 100644
--- a/capa/features/extractors/ida/insn.py
+++ b/capa/features/extractors/ida/insn.py
@@ -372,6 +372,7 @@ def main():
                 features.extend(list(extract_features(f, bb, insn)))
 
     import pprint
+
     pprint.pprint(features)
 
 
diff --git a/capa/ida/explorer/item.py b/capa/ida/explorer/item.py
index 7e0d5706..e3af28ee 100644
--- a/capa/ida/explorer/item.py
+++ b/capa/ida/explorer/item.py
@@ -191,6 +191,7 @@ class CapaExplorerFunctionItem(CapaExplorerDataItem):
 
 class CapaExplorerSubscopeItem(CapaExplorerDataItem):
     """ store data relevant to subscope """
+
     fmt = "subscope(%s)"
 
     def __init__(self, parent, scope):
diff --git a/capa/ida/explorer/view.py b/capa/ida/explorer/view.py
index b5273640..c5bdf6e6 100644
--- a/capa/ida/explorer/view.py
+++ b/capa/ida/explorer/view.py
@@ -114,9 +114,7 @@ class CapaExplorerQtreeView(QtWidgets.QTreeView):
 
             @yield QAction*
         """
-        function_actions = (
-            ("Rename function", data, self.slot_rename_function),
-        )
+        function_actions = (("Rename function", data, self.slot_rename_function),)
 
         # add function actions
         for action in function_actions: