Bug in capturing on Intel D415 RealSense

capture_bug_1.py

import pyrealsense2 as rs

pipeline = rs.pipeline()
profile = pipeline.start()
align = rs.align(rs.stream.color)

all_color_frames = []
all_depth_frames = []
for i in range(20):
  print(i)
  frames = pipeline.wait_for_frames()
  # frames = align.process(frames)
  depth = frames.get_depth_frame()
  color = frames.get_color_frame()
  all_depth_frames.append(depth)
  all_color_frames.append(color)

capture_bug_1_solved.py

import pyrealsense2 as rs
from copy import copy

pipeline = rs.pipeline()
profile = pipeline.start()
align = rs.align(rs.stream.color)

all_color_frames = []
all_depth_frames = []
for i in range(20):
  print(i)
  frames = pipeline.wait_for_frames()
  # frames = align.process(frames)
  depth = frames.get_depth_frame()
  color = frames.get_color_frame()
  all_depth_frames.append(copy(depth))
  all_color_frames.append(copy(color))

capture_bug_2.py

import pyrealsense2 as rs

pipeline = rs.pipeline()
profile = pipeline.start()
align = rs.align(rs.stream.color)

all_color_frames = []
all_depth_frames = []
for i in range(20):
  print(i)
  frames = pipeline.wait_for_frames()
  frames = align.process(frames)
  depth = frames.get_depth_frame()
  color = frames.get_color_frame()
  all_depth_frames.append(depth)
  # all_color_frames.append(color)

capture_bug_2_solved.py

import pyrealsense2 as rs
from copy import copy

pipeline = rs.pipeline()
profile = pipeline.start()
align = rs.align(rs.stream.color)

all_color_frames = []
all_depth_frames = []
for i in range(20):
  print(i)
  frames = pipeline.wait_for_frames()
  frames = align.process(frames)
  depth = frames.get_depth_frame()
  color = frames.get_color_frame()
  all_depth_frames.append(copy(depth))
  # all_color_frames.append(color)