format(black): formatted files to latest version (Zulko#1735)

examples/moving_letters.py

@@ -20,7 +20,7 @@
 
 
 def vortex(screenpos, i, nletters):  # noqa D103
-    d = lambda t: 1.0 / (0.3 + t ** 8)  # damping
+    d = lambda t: 1.0 / (0.3 + t**8)  # damping
     a = i * np.pi / nletters  # angle of the movement
     v = rotMatrix(a).dot([-1, 0])
     if i % 2:
@@ -30,7 +30,7 @@ def vortex(screenpos, i, nletters):  # noqa D103
 
 def cascade(screenpos, i, nletters):  # noqa D103
     v = np.array([0, -1])
-    d = lambda t: 1 if t < 0 else abs(np.sinc(t) / (1 + t ** 4))
+    d = lambda t: 1 if t < 0 else abs(np.sinc(t) / (1 + t**4))
     return lambda t: screenpos + v * 400 * d(t - 0.15 * i)
 
 

moviepy/audio/tools/cuts.py

@@ -21,7 +21,7 @@ def find_audio_period(clip, min_time=0.1, max_time=2, time_resolution=0.01):
     chunksize = int(time_resolution * clip.fps)
     chunk_duration = 1.0 * chunksize / clip.fps
     # v denotes the list of volumes
-    v = np.array([(chunk ** 2).sum() for chunk in clip.iter_chunks(chunksize)])
+    v = np.array([(chunk**2).sum() for chunk in clip.iter_chunks(chunksize)])
     v = v - v.mean()
     corrs = np.correlate(v, v, mode="full")[-len(v) :]
     corrs[: int(min_time / chunk_duration)] = 0

moviepy/video/fx/accel_decel.py

@@ -3,7 +3,7 @@ def _f_accel_decel(t, old_duration, new_duration, abruptness=1.0, soonness=1.0):
 
     def _f(t):
         def f1(t):
-            return (0.5) ** (1 - a) * (t ** a)
+            return (0.5) ** (1 - a) * (t**a)
 
         def f2(t):
             return 1 - f1(1 - t)

moviepy/video/fx/mask_color.py

@@ -21,7 +21,7 @@ def mask_color(clip, color=None, threshold=0, stiffness=1):
 
     def hill(x):
         if threshold:
-            return x ** stiffness / (threshold ** stiffness + x ** stiffness)
+            return x**stiffness / (threshold**stiffness + x**stiffness)
         else:
             return 1.0 * (x != 0)
 

moviepy/video/io/ffmpeg_reader.py

@@ -791,7 +791,7 @@ def ffmpeg_parse_infos(
 
     popen_params = cross_platform_popen_params(
         {
-            "bufsize": 10 ** 5,
+            "bufsize": 10**5,
             "stdout": sp.PIPE,
             "stderr": sp.PIPE,
             "stdin": sp.DEVNULL,

moviepy/video/io/html_tools.py

@@ -27,7 +27,6 @@ class HTML2(HTML):  # noqa D101
         def __add__(self, other):
             return HTML2(self.data + other.data)
 
-
 except ImportError:
 
     def HTML2(content):  # noqa D103

moviepy/video/tools/drawing.py

@@ -165,7 +165,7 @@ def color_gradient(
             vector = np.array(vector[::-1])
 
         norm = np.linalg.norm(vector)
-        n_vec = vector / norm ** 2  # norm 1/norm(vector)
+        n_vec = vector / norm**2  # norm 1/norm(vector)
 
         p1 = p1 + offset * vector
         arr = (M - p1).dot(n_vec) / (1 - offset)

tests/test_examples.py

@@ -31,7 +31,7 @@ def test_matplotlib_simple_example(util):
 
     def make_frame(t):
         ax.clear()
-        ax.plot(x, np.sinc(x ** 2) + np.sin(x + 2 * np.pi / duration * t), lw=3)
+        ax.plot(x, np.sinc(x**2) + np.sin(x + 2 * np.pi / duration * t), lw=3)
         ax.set_ylim(-1.5, 2.5)
         return mplfig_to_npimage(fig)
 

tests/test_issues.py

@@ -293,7 +293,7 @@ def make_frame(t):
 
         classifier = svm.SVC(gamma=2, C=1)
         # the varying weights make the points appear one after the other
-        weights = np.minimum(1, np.maximum(0, t ** 2 + 10 - np.arange(50)))
+        weights = np.minimum(1, np.maximum(0, t**2 + 10 - np.arange(50)))
         classifier.fit(X, Y, sample_weight=weights)
         Z = classifier.decision_function(np.c_[xx.ravel(), yy.ravel()])
         Z = Z.reshape(xx.shape)