fix lint

README.rst

@@ -223,7 +223,7 @@ and use this to set the ivy backend framework.
 
 .. code-block:: python
 
-    import ivy
+    import  ivy
     fw = ivy.choose_random_backend() 
     ivy.set_backend(fw)
 

ivy_gym/cartpole.py

@@ -1,5 +1,7 @@
-"""Cart-pole task adapted from:
-https://github.com/openai/gym/blob/master/gym/envs/classic_control/cartpole.py"""
+"""
+Cart-pole task adapted from:
+https://github.com/openai/gym/blob/master/gym/envs/classic_control/cartpole.py
+"""
 
 # global
 import ivy
@@ -9,8 +11,6 @@
 
 # noinspection PyAttributeOutsideInit
 class CartPole(gym.Env):
-    """ """
-
     metadata = {"render.modes": ["human", "rgb_array"], "video.frames_per_second": 30}
 
     def __init__(self):  # noqa
@@ -166,7 +166,7 @@ def render(self, mode="human"):
             # noinspection PyBroadException
             try:
                 from gym.envs.classic_control import rendering
-            except:
+            except Exception:
                 if not self._logged_headless_message:
                     print(
                         "Unable to connect to display. Running the Ivy environment "
@@ -183,22 +183,22 @@ def render(self, mode="human"):
             self.viewer.add_geom(track)
 
             # Cart.
-            l = -cart_width / 2
+            ll = -cart_width / 2
             r = cart_width / 2
             t = cart_height / 2
             b = -cart_height / 2
-            cart_geom = rendering.FilledPolygon([(l, b), (l, t), (r, t), (r, b)])
+            cart_geom = rendering.FilledPolygon([(ll, b), (ll, t), (r, t), (r, b)])
             self.cart_tr = rendering.Transform()
             cart_geom.add_attr(self.cart_tr)
             cart_geom.set_color(0.0, 0.0, 0.0)
             self.viewer.add_geom(cart_geom)
 
             # Pole.
-            l = -pole_width / 2
+            ll = -pole_width / 2
             r = pole_width / 2
             t = pole_len - pole_width / 2
             b = -pole_width / 2
-            self.pole_geom = rendering.FilledPolygon([(l, b), (l, t), (r, t), (r, b)])
+            self.pole_geom = rendering.FilledPolygon([(ll, b), (ll, t), (r, t), (r, b)])
             self.pole_tr = rendering.Transform(translation=(0, 0))
             self.pole_geom.add_attr(self.pole_tr)
             self.pole_geom.add_attr(self.cart_tr)

ivy_gym/mountain_car.py

@@ -1,5 +1,7 @@
-"""Mountain-car task adapted from:
-https://github.com/openai/gym/blob/master/gym/envs/classic_control/mountain_car.py"""
+"""
+Mountain-car task adapted from:
+https://github.com/openai/gym/blob/master/gym/envs/classic_control/mountain_car.py
+"""
 
 # global
 import ivy
@@ -9,8 +11,6 @@
 
 # noinspection PyAttributeOutsideInit
 class MountainCar(gym.Env):
-    """ """
-
     metadata = {"render.modes": ["human", "rgb_array"], "video.frames_per_second": 30}
 
     def __init__(self):  # noqa
@@ -79,7 +79,6 @@ def set_state(self, state):
         return self.get_observation()
 
     def reset(self):
-        """ """
         self.x = ivy.random_uniform(low=-0.9, high=-0.2, shape=(1,))
         self.x_vel = ivy.zeros((1,))
         return self.get_observation()
@@ -147,7 +146,7 @@ def render(self, mode="human"):
             # noinspection PyBroadException
             try:
                 from gym.envs.classic_control import rendering
-            except:
+            except Exception:
                 if not self._logged_headless_message:
                     print(
                         "Unable to connect to display. Running the Ivy environment "

ivy_gym/pendulum.py

@@ -1,5 +1,7 @@
-"""Pendulum task adapted from:
-https://github.com/openai/gym/blob/master/gym/envs/classic_control/pendulum.py"""
+"""
+Pendulum task adapted from:
+https://github.com/openai/gym/blob/master/gym/envs/classic_control/pendulum.py
+"""
 
 # global
 import ivy
@@ -9,8 +11,6 @@
 
 # noinspection PyAttributeOutsideInit
 class Pendulum(gym.Env):
-    """ """
-
     metadata = {"render.modes": ["human", "rgb_array"], "video.frames_per_second": 30}
 
     def __init__(self):  # noqa
@@ -21,7 +21,7 @@ def __init__(self):  # noqa
         self.g = 9.8
         self.dt = 0.05
         self.m = 1.0
-        self.l = 1.0
+        self.ll = 1.0
         self.action_space = gym.spaces.Box(low=-1, high=1, shape=[1], dtype=np.float32)
         high = np.array([1.0, 1.0, np.inf], dtype=np.float32)
         self.observation_space = gym.spaces.Box(low=-high, high=high, dtype=np.float32)
@@ -83,14 +83,12 @@ def set_state(self, state):
         return self.get_observation()
 
     def reset(self):
-        """ """
         self.angle = ivy.random_uniform(low=-np.pi, high=np.pi, shape=(1,))
         self.angle_vel = ivy.random_uniform(low=-1.0, high=1.0, shape=(1,))
         return self.get_observation()
 
     def step(self, action):
         """
-
         Parameters
         ----------
         action
@@ -99,8 +97,8 @@ def step(self, action):
         action = action * self.torque_scale
 
         angle_acc = (
-            -3 * self.g / (2 * self.l) * ivy.sin(self.angle + np.pi)
-            + 3.0 / (self.m * self.l**2) * action
+            -3 * self.g / (2 * self.ll) * ivy.sin(self.angle + np.pi)
+            + 3.0 / (self.m * self.ll**2) * action
         )
 
         self.angle_vel = self.angle_vel + self.dt * angle_acc
@@ -138,7 +136,7 @@ def render(self, mode="human"):
             # noinspection PyBroadException
             try:
                 from gym.envs.classic_control import rendering
-            except:
+            except Exception:
                 if not self._logged_headless_message:
                     print(
                         "Unable to connect to display. Running the Ivy environment "

ivy_gym/reacher.py

@@ -8,8 +8,6 @@
 
 # noinspection PyAttributeOutsideInit
 class Reacher(gym.Env):
-    """ """
-
     metadata = {"render.modes": ["human", "rgb_array"], "video.frames_per_second": 30}
 
     def __init__(self, num_joints=2):  # noqa
@@ -99,7 +97,6 @@ def set_state(self, state):
         return self.get_observation()
 
     def reset(self):
-        """ """
         self.angles = ivy.random_uniform(
             low=-np.pi, high=np.pi, shape=(self.num_joints,)
         )
@@ -152,7 +149,7 @@ def render(self, mode="human"):
             # noinspection PyBroadException
             try:
                 from gym.envs.classic_control import rendering
-            except:
+            except Exception:
                 if not self._logged_headless_message:
                     print(
                         "Unable to connect to display. Running the Ivy environment "

ivy_gym/swimmer.py

@@ -1,5 +1,7 @@
-"""Path finding task.
-A fish needs to reach a goal location while avoiding urchins."""
+"""
+Path finding task.
+A fish needs to reach a goal location while avoiding urchins.
+"""
 
 import ivy
 import gym
@@ -12,8 +14,6 @@
 
 # noinspection PyAttributeOutsideInit
 class Swimmer(gym.Env):
-    """ """
-
     metadata = {"render.modes": ["human", "rgb_array"], "video.frames_per_second": 30}
 
     def __init__(self, num_urchins=5):  # noqa
@@ -99,7 +99,6 @@ def set_state(self, state):
         return self.get_observation()
 
     def reset(self):
-        """ """
         self.urchin_xys = ivy.random_uniform(
             low=-1, high=1, shape=(self.num_urchins, 2)
         )
@@ -150,7 +149,7 @@ def render(self, mode="human"):
             # noinspection PyBroadException
             try:
                 from gym.envs.classic_control import rendering
-            except:
+            except Exception:
                 if not self._logged_headless_message:
                     print(
                         "Unable to connect to display. Running the Ivy environment "
@@ -161,16 +160,13 @@ def render(self, mode="human"):
             from pyglet import gl
 
             class _StarGeom(rendering.Geom):
-                """ """
-
                 def __init__(self, r1, r2, n):
                     super().__init__()
                     self.r1 = r1
                     self.r2 = r2
                     self.n = n
 
                 def render1(self):
-                    """ """
                     n = self.n * 2
                     for i in range(0, n, 2):
                         gl.glBegin(gl.GL_TRIANGLES)
@@ -188,14 +184,11 @@ def render1(self):
                     gl.glEnd()
 
             class _FishGeom(rendering.Geom):
-                """ """
-
                 def __init__(self):
                     super().__init__()
                     self.color = 0.0, 0.0, 0.0
 
                 def render1(self):
-                    """ """
                     points = [
                         [0.08910714285714288, -0.009017857142857133],
                         [0.13910714285714287, -0.04026785714285712],

setup.cfg

@@ -7,8 +7,8 @@ per-file-ignores =
 
 [autoflake]
 in-place = true
-remove-all-unused-imports = true
-ignore-init-module-imports = true
+remove-all-unused-import s = true
+ignore-init-module-import s = true
 remove-duplicate-keys = true
 remove-unused-variables = true
 quiet = true