pydot error for local build

HuangJunye commented 2 years ago

Informations

Qiskit version: 0.36.1
Python version: 3.9
Operating system: macOS 12.2.1

What is the current behavior?

Encounter below error while trying to do a local build.

CellExecutionError in tutorials/circuits_advanced/04_transpiler_passes_and_passmanager.ipynb:
------------------
from qiskit.converters import circuit_to_dag
from qiskit.tools.visualization import dag_drawer
dag = circuit_to_dag(circ)
dag_drawer(dag)
------------------
FileNotFoundError: [Errno 2] "dot" not found in path.
FileNotFoundError: [Errno 2] "dot" not found in path.

Expand to see the detailed error log

``` Notebook error: CellExecutionError in tutorials/circuits_advanced/04_transpiler_passes_and_passmanager.ipynb: ------------------ from qiskit.converters import circuit_to_dag from qiskit.tools.visualization import dag_drawer dag = circuit_to_dag(circ) dag_drawer(dag) ------------------ --------------------------------------------------------------------------- FileNotFoundError Traceback (most recent call last) File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/pydot.py:1923, in Dot.create(self, prog, format, encoding) 1922 try: -> 1923 stdout_data, stderr_data, process = call_graphviz( 1924 program=prog, 1925 arguments=arguments, 1926 working_dir=tmp_dir, 1927 ) 1928 except OSError as e: File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/pydot.py:132, in call_graphviz(program, arguments, working_dir, **kwargs) 130 program_with_args = [program, ] + arguments --> 132 process = subprocess.Popen( 133 program_with_args, 134 env=env, 135 cwd=working_dir, 136 shell=False, 137 stderr=subprocess.PIPE, 138 stdout=subprocess.PIPE, 139 **kwargs 140 ) 141 stdout_data, stderr_data = process.communicate() File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/subprocess.py:951, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask) 948 self.stderr = io.TextIOWrapper(self.stderr, 949 encoding=encoding, errors=errors) --> 951 self._execute_child(args, executable, preexec_fn, close_fds, 952 pass_fds, cwd, env, 953 startupinfo, creationflags, shell, 954 p2cread, p2cwrite, 955 c2pread, c2pwrite, 956 errread, errwrite, 957 restore_signals, 958 gid, gids, uid, umask, 959 start_new_session) 960 except: 961 # Cleanup if the child failed starting. File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/subprocess.py:1821, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session) 1820 err_msg = os.strerror(errno_num) -> 1821 raise child_exception_type(errno_num, err_msg, err_filename) 1822 raise child_exception_type(err_msg) FileNotFoundError: [Errno 2] No such file or directory: 'dot' During handling of the above exception, another exception occurred: FileNotFoundError Traceback (most recent call last) Input In [17], in () 2 from qiskit.tools.visualization import dag_drawer 3 dag = circuit_to_dag(circ) ----> 4 dag_drawer(dag) File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/qiskit/utils/lazy_tester.py:165, in LazyDependencyManager.require_in_call..out(*args, **kwargs) 162 @functools.wraps(function) 163 def out(*args, **kwargs): 164 self.require_now(feature) --> 165 return function(*args, **kwargs) File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/qiskit/visualization/dag_visualization.py:247, in dag_drawer(dag, scale, filename, style) 245 with tempfile.TemporaryDirectory() as tmpdirname: 246 tmp_path = os.path.join(tmpdirname, "dag.png") --> 247 dot.write_png(tmp_path) 248 with Image.open(tmp_path) as test_image: 249 image = test_image.copy() File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/pydot.py:1743, in Dot.__init__..new_method(path, f, prog, encoding) 1739 def new_method( 1740 path, f=frmt, prog=self.prog, 1741 encoding=None): 1742 """Refer to docstring of method `write.`""" -> 1743 self.write( 1744 path, format=f, prog=prog, 1745 encoding=encoding) File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/pydot.py:1828, in Dot.write(self, path, prog, format, encoding) 1826 f.write(s) 1827 else: -> 1828 s = self.create(prog, format, encoding=encoding) 1829 with io.open(path, mode='wb') as f: 1830 f.write(s) File /usr/local/anaconda3/envs/qiskit-tutorials-requirements-dev-txt-test-1/lib/python3.9/site-packages/pydot.py:1933, in Dot.create(self, prog, format, encoding) 1930 args = list(e.args) 1931 args[1] = '"{prog}" not found in path.'.format( 1932 prog=prog) -> 1933 raise OSError(*args) 1934 else: 1935 raise FileNotFoundError: [Errno 2] "dot" not found in path. FileNotFoundError: [Errno 2] "dot" not found in path. ```

Steps to reproduce the problem

conda create --name qiskit-tutorials-dev
conda install pip
pip install -r requirements-dev.txt
conda install pandoc
sphinx-build -b html . _build/

my current requirements-dev.txt looks like this based on this https://github.com/Qiskit/qiskit-tutorials/issues/1317#issuecomment-1129818689:

qiskit
jupyter
sphinx
nbsphinx
sphinx_rtd_theme
networkx
scikit-learn
matplotlib
qiskit[visualization]
cvxpy
pyscf
graphviz

What is the expected behavior?

Building successfully without error

Qiskit / qiskit-tutorials