diff --git a/moto/ec2/models.py b/moto/ec2/models.py
index ef506e443..9c720cda8 100644
--- a/moto/ec2/models.py
+++ b/moto/ec2/models.py
@@ -826,11 +826,11 @@ class Instance(TaggedEC2Resource, BotoInstance):
         if filters:
             applicable = False
             for f in filters:
-                acceptable_values = f['values']
-                if f['name'] == "instance-state-name":
+                acceptable_values = f["values"]
+                if f["name"] == "instance-state-name":
                     if self._state.name in acceptable_values:
                         applicable = True
-                if f['name'] == "instance-state-code":
+                if f["name"] == "instance-state-code":
                     if str(self._state.code) in acceptable_values:
                         applicable = True
             return applicable
diff --git a/moto/ec2/responses/instances.py b/moto/ec2/responses/instances.py
index 9b1105291..29c346f82 100644
--- a/moto/ec2/responses/instances.py
+++ b/moto/ec2/responses/instances.py
@@ -128,10 +128,15 @@ class InstanceResponse(BaseResponse):
         instance_ids = self._get_multi_param("InstanceId")
         include_all_instances = self._get_param("IncludeAllInstances") == "true"
         filters = self._get_list_prefix("Filter")
-        filters = [{'name': f['name'], 'values': self._get_list_of_dict_params("value.", f)} for f in filters]
+        filters = [
+            {"name": f["name"], "values": self._get_list_of_dict_params("value.", f)}
+            for f in filters
+        ]
 
         if instance_ids:
-            instances = self.ec2_backend.get_multi_instances_by_id(instance_ids, filters)
+            instances = self.ec2_backend.get_multi_instances_by_id(
+                instance_ids, filters
+            )
         elif include_all_instances:
             instances = self.ec2_backend.all_instances(filters)
         else:
diff --git a/tests/test_ec2/test_instances.py b/tests/test_ec2/test_instances.py
index ac6a4f4ec..85ba0fe01 100644
--- a/tests/test_ec2/test_instances.py
+++ b/tests/test_ec2/test_instances.py
@@ -1172,12 +1172,12 @@ def test_describe_instance_status_with_instance_filter():
 
     # We want to filter based on this one
     reservation = conn.run_instances(ImageId="ami-1234abcd", MinCount=3, MaxCount=3)
-    instance1 = reservation['Instances'][0]
-    instance2 = reservation['Instances'][1]
-    instance3 = reservation['Instances'][2]
-    conn.stop_instances(InstanceIds=[instance1['InstanceId']])
-    stopped_instance_ids = [instance1['InstanceId']]
-    running_instance_ids = sorted([instance2['InstanceId'], instance3['InstanceId']])
+    instance1 = reservation["Instances"][0]
+    instance2 = reservation["Instances"][1]
+    instance3 = reservation["Instances"][2]
+    conn.stop_instances(InstanceIds=[instance1["InstanceId"]])
+    stopped_instance_ids = [instance1["InstanceId"]]
+    running_instance_ids = sorted([instance2["InstanceId"], instance3["InstanceId"]])
     all_instance_ids = sorted(stopped_instance_ids + running_instance_ids)
 
     # Filter instance using the state name
@@ -1189,16 +1189,22 @@ def test_describe_instance_status_with_instance_filter():
         "stopped": [{"Name": "instance-state-name", "Values": ["stopped"]}],
     }
 
-    found_statuses = conn.describe_instance_status(IncludeAllInstances=True, Filters=state_name_filter["running_and_stopped"])['InstanceStatuses']
-    found_instance_ids = [status['InstanceId'] for status in found_statuses]
+    found_statuses = conn.describe_instance_status(
+        IncludeAllInstances=True, Filters=state_name_filter["running_and_stopped"]
+    )["InstanceStatuses"]
+    found_instance_ids = [status["InstanceId"] for status in found_statuses]
     sorted(found_instance_ids).should.equal(all_instance_ids)
 
-    found_statuses = conn.describe_instance_status(IncludeAllInstances=True, Filters=state_name_filter["running"])['InstanceStatuses']
-    found_instance_ids = [status['InstanceId'] for status in found_statuses]
+    found_statuses = conn.describe_instance_status(
+        IncludeAllInstances=True, Filters=state_name_filter["running"]
+    )["InstanceStatuses"]
+    found_instance_ids = [status["InstanceId"] for status in found_statuses]
     sorted(found_instance_ids).should.equal(running_instance_ids)
 
-    found_statuses = conn.describe_instance_status(IncludeAllInstances=True, Filters=state_name_filter["stopped"])['InstanceStatuses']
-    found_instance_ids = [status['InstanceId'] for status in found_statuses]
+    found_statuses = conn.describe_instance_status(
+        IncludeAllInstances=True, Filters=state_name_filter["stopped"]
+    )["InstanceStatuses"]
+    found_instance_ids = [status["InstanceId"] for status in found_statuses]
     sorted(found_instance_ids).should.equal(stopped_instance_ids)
 
     # Filter instance using the state code
@@ -1210,16 +1216,22 @@ def test_describe_instance_status_with_instance_filter():
         "stopped": [{"Name": "instance-state-code", "Values": ["80"]}],
     }
 
-    found_statuses = conn.describe_instance_status(IncludeAllInstances=True, Filters=state_code_filter["running_and_stopped"])['InstanceStatuses']
-    found_instance_ids = [status['InstanceId'] for status in found_statuses]
+    found_statuses = conn.describe_instance_status(
+        IncludeAllInstances=True, Filters=state_code_filter["running_and_stopped"]
+    )["InstanceStatuses"]
+    found_instance_ids = [status["InstanceId"] for status in found_statuses]
     sorted(found_instance_ids).should.equal(all_instance_ids)
 
-    found_statuses = conn.describe_instance_status(IncludeAllInstances=True, Filters=state_code_filter["running"])['InstanceStatuses']
-    found_instance_ids = [status['InstanceId'] for status in found_statuses]
+    found_statuses = conn.describe_instance_status(
+        IncludeAllInstances=True, Filters=state_code_filter["running"]
+    )["InstanceStatuses"]
+    found_instance_ids = [status["InstanceId"] for status in found_statuses]
     sorted(found_instance_ids).should.equal(running_instance_ids)
 
-    found_statuses = conn.describe_instance_status(IncludeAllInstances=True, Filters=state_code_filter["stopped"])['InstanceStatuses']
-    found_instance_ids = [status['InstanceId'] for status in found_statuses]
+    found_statuses = conn.describe_instance_status(
+        IncludeAllInstances=True, Filters=state_code_filter["stopped"]
+    )["InstanceStatuses"]
+    found_instance_ids = [status["InstanceId"] for status in found_statuses]
     sorted(found_instance_ids).should.equal(stopped_instance_ids)