okzapradhana opened a new issue #16981: URL: https://github.com/apache/airflow/issues/16981
**Apache Airflow version**: 2.1.1 **Environment**: - **Cloud provider or hardware configuration**: Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz , 256GB storage, 8GB memory - **OS** (e.g. from /etc/os-release): Linux 20.04 - **Kernel** (e.g. `uname -a`): Linux 5.8.0-59-lowlatency 20.04.1-Ubuntu - **Install tools**: `apache-airflow-providers-telegram` - **Others**: Installed native airflow (non-docker) **What happened**: I have searched along these issues in this repo but I havent found the similar issue thus I decided to raise one. So, I was intend to use TelegramOperator to practicing send notifications to my telegram group. However I encountered an issue which the Telegram connection type is not recognized when trying to add Connections using the Airflow webserver UI. I have installed the telegram providers by using: `pip install apache-airflow-providers-telegram` and I've ensure that the library have been installed on my virtual environment. Here is my `pip list`: ``` Package Version ---------------------------------- --------- alembic 1.5.8 anyio 3.2.1 apache-airflow 2.1.1 apache-airflow-providers-ftp 1.0.1 apache-airflow-providers-google 2.2.0 apache-airflow-providers-http 1.1.1 apache-airflow-providers-imap 1.0.1 apache-airflow-providers-postgres 1.0.1 apache-airflow-providers-sqlite 1.0.2 apache-airflow-providers-telegram 2.0.0 apispec 3.3.2 APScheduler 3.6.3 argcomplete 1.12.3 attrs 20.3.0 Babel 2.9.0 blinker 1.4 cached-property 1.5.2 cachetools 4.2.2 cattrs 1.5.0 certifi 2020.12.5 cffi 1.14.5 chardet 3.0.4 click 7.1.2 clickclick 20.10.2 colorama 0.4.4 colorlog 5.0.1 commonmark 0.9.1 connexion 2.7.0 croniter 0.3.37 cryptography 3.4.7 defusedxml 0.7.1 dill 0.3.2 dnspython 1.16.0 docutils 0.16 email-validator 1.1.2 et-xmlfile 1.1.0 eventlet 0.30.2 Flask 1.1.2 Flask-AppBuilder 3.3.1 Flask-Babel 1.0.0 Flask-Caching 1.10.1 Flask-JWT-Extended 3.25.1 Flask-Login 0.4.1 Flask-OpenID 1.2.5 Flask-SQLAlchemy 2.5.1 Flask-WTF 0.14.3 gevent 21.1.2 google-ads 7.0.0 google-api-core 1.26.3 google-api-python-client 1.12.8 google-auth 1.29.0 google-auth-httplib2 0.1.0 google-auth-oauthlib 0.4.4 google-cloud-automl 2.3.0 google-cloud-bigquery 1.28.0 google-cloud-bigquery-datatransfer 3.1.1 google-cloud-bigquery-storage 2.4.0 google-cloud-bigtable 1.7.0 google-cloud-container 1.0.1 google-cloud-core 1.6.0 google-cloud-datacatalog 3.1.1 google-cloud-dataproc 2.3.1 google-cloud-dlp 1.0.0 google-cloud-kms 2.2.0 google-cloud-language 1.3.0 google-cloud-logging 2.3.1 google-cloud-memcache 0.3.0 google-cloud-monitoring 2.2.1 google-cloud-os-login 2.1.0 google-cloud-pubsub 2.4.1 google-cloud-redis 2.1.0 google-cloud-secret-manager 1.0.0 google-cloud-spanner 1.19.1 google-cloud-speech 1.3.2 google-cloud-storage 1.37.1 google-cloud-tasks 2.2.0 google-cloud-texttospeech 1.0.1 google-cloud-translate 1.7.0 google-cloud-videointelligence 1.16.1 google-cloud-vision 1.0.0 google-cloud-workflows 0.2.0 google-crc32c 1.1.2 google-resumable-media 1.2.0 googleapis-common-protos 1.53.0 graphviz 0.16 greenlet 1.0.0 grpc-google-iam-v1 0.12.3 grpcio 1.37.0 grpcio-gcp 0.2.2 gunicorn 19.10.0 h11 0.12.0 httpcore 0.13.6 httplib2 0.17.4 httpx 0.18.2 idna 2.10 importlib-metadata 1.7.0 importlib-resources 1.5.0 inflection 0.5.1 iso8601 0.1.14 isodate 0.6.0 itsdangerous 1.1.0 Jinja2 2.11.3 json-merge-patch 0.2 jsonschema 3.2.0 lazy-object-proxy 1.4.3 libcst 0.3.18 lockfile 0.12.2 Mako 1.1.4 Markdown 3.3.4 MarkupSafe 1.1.1 marshmallow 3.11.1 marshmallow-enum 1.5.1 marshmallow-oneofschema 2.1.0 marshmallow-sqlalchemy 0.23.1 mypy-extensions 0.4.3 natsort 7.1.1 numpy 1.20.2 oauthlib 2.1.0 openapi-schema-validator 0.1.5 openapi-spec-validator 0.3.0 openpyxl 3.0.7 packaging 20.9 pandas 1.2.4 pandas-gbq 0.14.1 pendulum 2.1.2 pip 20.0.2 pkg-resources 0.0.0 plyvel 1.3.0 prison 0.1.3 proto-plus 1.18.1 protobuf 3.15.8 psutil 5.8.0 psycopg2-binary 2.8.6 pyarrow 2.0.0 pyasn1 0.4.8 pyasn1-modules 0.2.8 pycparser 2.20 pydata-google-auth 1.1.0 Pygments 2.8.1 PyJWT 1.7.1 pyOpenSSL 19.1.0 pyparsing 2.4.7 pyrsistent 0.17.3 python-daemon 2.3.0 python-dateutil 2.8.1 python-editor 1.0.4 python-nvd3 0.15.0 python-slugify 4.0.1 python-telegram-bot 13.7 python3-openid 3.2.0 pytz 2021.1 pytzdata 2020.1 PyYAML 5.4.1 requests 2.25.1 requests-oauthlib 1.1.0 rfc3986 1.5.0 rich 9.2.0 rsa 4.7.2 setproctitle 1.2.2 setuptools 44.0.0 six 1.15.0 sniffio 1.2.0 SQLAlchemy 1.3.24 SQLAlchemy-JSONField 1.0.0 SQLAlchemy-Utils 0.37.0 swagger-ui-bundle 0.0.8 tabulate 0.8.9 tenacity 6.2.0 termcolor 1.1.0 text-unidecode 1.3 tornado 6.1 typing-extensions 3.7.4.3 typing-inspect 0.6.0 tzlocal 2.1 unicodecsv 0.14.1 uritemplate 3.0.1 urllib3 1.25.11 Werkzeug 1.0.1 WTForms 2.3.3 xlrd 2.0.1 zipp 3.4.1 zope.event 4.5.0 zope.interface 5.4.0 ``` Hope that there are workarounds regarding this issue, thanks! <!-- (please include exact error messages if you can) --> **What you expected to happen**: The Connections type is recognized and shows in the dropdown when I want to add new Connections <!-- What do you think went wrong? --> **How to reproduce it**: 1. Install airflow following these steps https://airflow.apache.org/docs/apache-airflow/stable/start/local.html 2. Install telegram providers `pip install apache-airflow-providers-telegram` 3. Activate env and Run `airflow webserver --port 8080` 4. Go to http://localhost:8080/connection/add or other base URL based on where you deploy the airflow 5. On conn type, click the dropdown and type "telegram" As minimally and precisely as possible. Keep in mind we do not have access to your cluster or dags. If this is a UI bug, please provide a screenshot of the bug or a link to a youtube video of the bug in action  **Anything else we need to know**: Nothing more at this moment How often does this problem occur? Once? Every time etc? Every time -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. 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