diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c00e514c3d..2c7489095f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -48,7 +48,7 @@ repos:
   hooks:
   - id: black
 - repo: https://github.com/pycqa/flake8
-  rev: 6.0.0
+  rev: 6.1.0
   hooks:
   - id: flake8
     args:
diff --git a/examples/bipedal_walk_fwddyn.py b/examples/bipedal_walk_fwddyn.py
index 91f3da8ec2..0d79a17328 100644
--- a/examples/bipedal_walk_fwddyn.py
+++ b/examples/bipedal_walk_fwddyn.py
@@ -101,7 +101,7 @@
 
     # Added the callback functions
     print("*** SOLVE " + key + " ***")
-    if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+    if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
         if WITHPLOT:
             solver[i].setCallbacks(
                 [
diff --git a/examples/bipedal_walk_invdyn.py b/examples/bipedal_walk_invdyn.py
index bf247a3830..a7929cabe9 100644
--- a/examples/bipedal_walk_invdyn.py
+++ b/examples/bipedal_walk_invdyn.py
@@ -101,7 +101,7 @@
 
     # Added the callback functions
     print("*** SOLVE " + key + " ***")
-    if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+    if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
         if WITHPLOT:
             solver[i].setCallbacks(
                 [
diff --git a/examples/bipedal_walk_ubound.py b/examples/bipedal_walk_ubound.py
index 086674456f..77046fbe18 100644
--- a/examples/bipedal_walk_ubound.py
+++ b/examples/bipedal_walk_ubound.py
@@ -104,7 +104,7 @@
 
     # Added the callback functions
     print("*** SOLVE " + key + " ***")
-    if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+    if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
         if WITHPLOT:
             solver[i].setCallbacks(
                 [
diff --git a/examples/humanoid_manipulation.py b/examples/humanoid_manipulation.py
index f20c6d648c..3881560cb1 100644
--- a/examples/humanoid_manipulation.py
+++ b/examples/humanoid_manipulation.py
@@ -164,7 +164,7 @@
 
 # Creating the DDP solver for this OC problem, defining a logger
 solver = crocoddyl.SolverFDDP(problem)
-if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
     display.rate = 4
     display.freq = 4
     if WITHPLOT:
diff --git a/examples/humanoid_manipulation_ubound.py b/examples/humanoid_manipulation_ubound.py
index 38a5887d66..d15150ca7e 100644
--- a/examples/humanoid_manipulation_ubound.py
+++ b/examples/humanoid_manipulation_ubound.py
@@ -166,7 +166,7 @@
 
 # Creating the DDP solver for this OC problem, defining a logger
 solver = crocoddyl.SolverBoxFDDP(problem)
-if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
     display.rate = 4
     display.freq = 4
     if WITHPLOT:
diff --git a/examples/humanoid_taichi.py b/examples/humanoid_taichi.py
index 04456e18da..3dae7b7ff4 100644
--- a/examples/humanoid_taichi.py
+++ b/examples/humanoid_taichi.py
@@ -213,7 +213,7 @@
 
 # Creating the DDP solver for this OC problem, defining a logger
 solver = crocoddyl.SolverBoxFDDP(problem)
-if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
     display.rate = 4
     display.freq = 4
     if WITHPLOT:
diff --git a/examples/quadrupedal_gaits_fwddyn.py b/examples/quadrupedal_gaits_fwddyn.py
index c587ca7bfc..29083782da 100644
--- a/examples/quadrupedal_gaits_fwddyn.py
+++ b/examples/quadrupedal_gaits_fwddyn.py
@@ -156,7 +156,7 @@
 
     # Added the callback functions
     print("*** SOLVE " + key + " ***")
-    if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+    if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
         if WITHPLOT:
             solver[i].setCallbacks(
                 [
diff --git a/examples/quadrupedal_gaits_invdyn.py b/examples/quadrupedal_gaits_invdyn.py
index fae7623328..328ce4163b 100644
--- a/examples/quadrupedal_gaits_invdyn.py
+++ b/examples/quadrupedal_gaits_invdyn.py
@@ -158,7 +158,7 @@
 
     # Added the callback functions
     print("*** SOLVE " + key + " ***")
-    if WITHDISPLAY and type(display) == crocoddyl.GepettoDisplay:
+    if WITHDISPLAY and isinstance(crocoddyl.GepettoDisplay, type(display)):
         if WITHPLOT:
             solver[i].setCallbacks(
                 [