From 055f15d6585bf0dbf1da1de972f87eb92c1ed5ee Mon Sep 17 00:00:00 2001
From: Gui-FernandesBR <guilherme_fernandes@usp.br>
Date: Thu, 13 Jun 2024 22:50:09 -0300
Subject: [PATCH] MNT: small fixes for pylint

---
 rocketpy/motors/liquid_motor.py             | 6 +-----
 rocketpy/simulation/flight_data_importer.py | 1 -
 rocketpy/tools.py                           | 8 ++++----
 tests/unit/test_flight.py                   | 3 +--
 tests/unit/test_rocket.py                   | 2 +-
 5 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/rocketpy/motors/liquid_motor.py b/rocketpy/motors/liquid_motor.py
index 24282e317..3674c33de 100644
--- a/rocketpy/motors/liquid_motor.py
+++ b/rocketpy/motors/liquid_motor.py
@@ -2,11 +2,7 @@
 
 import numpy as np
 
-from rocketpy.mathutils.function import (
-    Function,
-    funcify_method,
-    reset_funcified_methods,
-)
+from rocketpy.mathutils.function import funcify_method, reset_funcified_methods
 from rocketpy.tools import parallel_axis_theorem_from_com
 
 from ..plots.liquid_motor_plots import _LiquidMotorPlots
diff --git a/rocketpy/simulation/flight_data_importer.py b/rocketpy/simulation/flight_data_importer.py
index 50be87388..b4498a1dc 100644
--- a/rocketpy/simulation/flight_data_importer.py
+++ b/rocketpy/simulation/flight_data_importer.py
@@ -2,7 +2,6 @@
 and build a rocketpy.Flight object from it.
 """
 
-import warnings
 from os import listdir
 from os.path import isfile, join
 
diff --git a/rocketpy/tools.py b/rocketpy/tools.py
index 730067cfd..dd1ff1b52 100644
--- a/rocketpy/tools.py
+++ b/rocketpy/tools.py
@@ -475,16 +475,16 @@ def create_ellipse_objects(x, y, n, w, h, theta, rgb):
         return ell_list
 
     # Calculate error ellipses for impact and apogee
-    impactTheta, impactW, impactH = calculate_ellipses(impact_x, impact_y)
-    apogeeTheta, apogeeW, apogeeH = calculate_ellipses(apogee_x, apogee_y)
+    impact_theta, impact_w, impact_h = calculate_ellipses(impact_x, impact_y)
+    apogee_theta, apogee_w, apogee_h = calculate_ellipses(apogee_x, apogee_y)
 
     # Draw error ellipses for impact
     impact_ellipses = create_ellipse_objects(
-        impact_x, impact_y, 3, impactW, impactH, impactTheta, (0, 0, 1, 0.2)
+        impact_x, impact_y, 3, impact_w, impact_h, impact_theta, (0, 0, 1, 0.2)
     )
 
     apogee_ellipses = create_ellipse_objects(
-        apogee_x, apogee_y, 3, apogeeW, apogeeH, apogeeTheta, (0, 1, 0, 0.2)
+        apogee_x, apogee_y, 3, apogee_w, apogee_h, apogee_theta, (0, 1, 0, 0.2)
     )
 
     return impact_ellipses, apogee_ellipses, apogee_x, apogee_y, impact_x, impact_y
diff --git a/tests/unit/test_flight.py b/tests/unit/test_flight.py
index d44c8fc34..a61ee72ce 100644
--- a/tests/unit/test_flight.py
+++ b/tests/unit/test_flight.py
@@ -3,10 +3,9 @@
 
 import matplotlib as plt
 import numpy as np
-import pytest
 from scipy import optimize
 
-from rocketpy import Components, Environment, Flight, Function, Rocket, SolidMotor
+from rocketpy import Components
 
 plt.rcParams.update({"figure.max_open_warning": 0})
 
diff --git a/tests/unit/test_rocket.py b/tests/unit/test_rocket.py
index b1b44fd2b..82be208c0 100644
--- a/tests/unit/test_rocket.py
+++ b/tests/unit/test_rocket.py
@@ -3,7 +3,7 @@
 import numpy as np
 import pytest
 
-from rocketpy import Function, NoseCone, Rocket, SolidMotor
+from rocketpy import Function, NoseCone, SolidMotor
 from rocketpy.motors.motor import EmptyMotor, Motor