raise child_exception_type(errno_num, err_msg, err_filename) in Mac OS X (Catalina)

[OrbitalMechanic]

I just transitioned to a Mac Pro (2019) that runs Mac OS X 10.15.3 (Catalina) using the Anaconda distribution for Python 3.7.3. In running the Hohmann Transfer example the following results occurred.

(base) Samuels-Mac-Pro:Keplerain Orbit Trajectory Plots - OrbitalPy-v0.7.0(python3) user$ python OrbitalPy_Hohmann.py
Traceback (most recent call last):
File "OrbitalPy_Hohmann.py", line 17, in
from orbital import earth, KeplerianElements, plot, plot3d, StateVector
File "/Users/user/anaconda3/lib/python3.7/site-packages/orbital/init.py", line 8, in
from .plotting import *
File "/Users/user/anaconda3/lib/python3.7/site-packages/orbital/plotting.py", line 12, in
from matplotlib import animation
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/animation.py", line 737, in
class ImageMagickWriter(ImageMagickBase, MovieWriter):
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/animation.py", line 120, in wrapper
if writerClass.isAvailable():
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/animation.py", line 730, in isAvailable
return super().isAvailable()
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/animation.py", line 427, in isAvailable
return shutil.which(cls.bin_path()) is not None
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/animation.py", line 724, in bin_path
binpath = mpl._get_executable_info('magick').executable
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/init.py", line 385, in _get_executable_info
return impl([path, "--version"], r"^Version: ImageMagick (\S*)")
File "/Users/user/anaconda3/lib/python3.7/site-packages/matplotlib/init.py", line 325, in impl
universal_newlines=True, errors="replace")
File "/Users/user/anaconda3/lib/python3.7/subprocess.py", line 395, in check_output
**kwargs).stdout
File "/Users/user/anaconda3/lib/python3.7/subprocess.py", line 472, in run
with Popen(*popenargs, **kwargs) as process:
File "/Users/user/anaconda3/lib/python3.7/subprocess.py", line 775, in init
restore_signals, start_new_session)
File "/Users/user/anaconda3/lib/python3.7/subprocess.py", line 1522, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
PermissionError: [Errno 13] Permission denied: 'convert'
(base) Samuels-Mac-Pro:Keplerain Orbit Trajectory Plots - OrbitalPy-v0.7.0(python3) user$

A copy of the Python program used is attached to this post as a text file.

Please advise.

Sam Dupree.

OrbitalPy_Hohmann.py.txt