The 'ldap' provider misses 'ldap' extra dep (which adds ldap3 pip dependency).
setup.py
]
mysql = [
    'mysql-connector-python>=8.0.11, <=8.0.18',
    'mysqlclient>=1.3.6,<1.4',
]
odbc = [
    'pyodbc',
]
oracle = [
    'cx_Oracle>=5.1.2',
]
pagerduty = [
    'pdpyras>=4.1.2,<5',
]
papermill = [
    'papermill[all]>=1.2.1',
    'nteract-scrapbook[all]>=0.3.1',
]
password = [
    'bcrypt>=2.0.0',
    'flask-bcrypt>=0.7.1',
]
pinot = [
    'pinotdb==0.1.1',
]
plexus = [
    'arrow>=0.16.0',
]
postgres = [
    'psycopg2-binary>=2.7.4',