Del (object) from 50 inc manifold/cogwheel/lib/manifold_semaphore.py

Summary: Python3 makes the use of `(object)` in class inheritance unnecessary. Let's modernize our code by eliminating this.

Reviewed By: palmje

Differential Revision: D48718310

fbshipit-source-id: c6e6ad2889add16537c78353f3202ac924f00fae

opensfm/dataset.py

@@ -702,7 +702,7 @@ def undistorted_dataset(self) -> "UndistortedDataSet":
  )
 
 
-class UndistortedDataSet(object):
+class UndistortedDataSet:
  """Accessors to the undistorted data of a dataset.
 
  Data include undistorted images, masks, and segmentation as well

opensfm/feature_loading.py

@@ -15,7 +15,7 @@
 )
 
 
-class FeatureLoader(object):
+class FeatureLoader:
  def clear_cache(self) -> None:
  self.load_mask.cache_clear()
  self.load_points_colors_segmentations_instances.cache_clear()

opensfm/features_processing.py

@@ -118,7 +118,7 @@ def is_high_res_panorama(
  return w == 2 * h or exif_pano
 
 
-class Counter(object):
+class Counter:
  """Lock-less counter from https://julien.danjou.info/atomic-lock-free-counters-in-python/
  that relies on the CPython impl. of itertools.count() that is thread-safe. Used, as for
  some reason, joblib doesn't like a good old threading.Lock (everything is stuck)

opensfm/geo.py

@@ -175,7 +175,7 @@ def gps_distance(latlon_1, latlon_2):
  return dis
 
 
-class TopocentricConverter(object):
+class TopocentricConverter:
  """Convert to and from a topocentric reference frame."""
 
  def __init__(self, reflat, reflon, refalt):

opensfm/synthetic_data/synthetic_scene.py

@@ -75,7 +75,7 @@ def normalized(x: np.ndarray) -> np.ndarray:
  return pose
 
 
-class SyntheticScene(object):
+class SyntheticScene:
  def get_reconstruction(self) -> types.Reconstruction:
  raise NotImplementedError()
 

opensfm/types.py

@@ -9,7 +9,7 @@
 PANOSHOT_RIG_PREFIX = "panoshot_"
 
 
-class ShotMesh(object):
+class ShotMesh:
  """Triangular mesh of points visible in a shot
 
  Attributes:
@@ -22,7 +22,7 @@ def __init__(self):
  self.faces = None
 
 
-class Reconstruction(object):
+class Reconstruction:
  """Defines the reconstructed scene.
 
  Attributes:

opensfm/vlad.py

@@ -47,7 +47,7 @@ def vlad_distances(
  return image, distances, others
 
 
-class VladCache(object):
+class VladCache:
  def clear_cache(self) -> None:
  self.load_words.cache_clear()
  self.vlad_histogram.cache_clear()