Update requirements

requirements.txt

@@ -1,91 +1,4 @@
-altair==4.1.0
-argon2-cffi==20.1.0
-astor==0.8.1
-async-generator==1.10
-attrs==20.3.0
-backcall==0.2.0
-base58==2.1.0
-bleach==3.3.0
-blinker==1.4
-cachetools==4.2.1
-certifi==2020.12.5
-cffi==1.14.5
-chardet==3.0.4
-click==7.1.2
-decorator==4.4.2
-defusedxml==0.6.0
-entrypoints==0.3
-future==0.18.2
-gevent==21.1.2
-gitdb==4.0.5
-GitPython==3.1.13
-greenlet==1.0.0
-gTTS==2.2.2
-idna==2.10
-ipykernel==5.5.0
-ipython==7.20.0
-ipython-genutils==0.2.0
-ipywidgets==7.6.3
-jedi==0.18.0
-Jinja2==2.11.3
-jsonschema==3.2.0
-jupyter-client==6.1.11
-jupyter-core==4.7.1
-jupyterlab-pygments==0.1.2
-jupyterlab-widgets==1.0.0
-MarkupSafe==1.1.1
-mistune==0.8.4
-nbclient==0.5.2
-nbconvert==6.0.7
-nbformat==5.1.2
-nest-asyncio==1.5.1
-notebook==6.2.0
-numpy==1.20.1
-packaging==20.9
-pandas==1.2.2
-pandocfilters==1.4.3
-parso==0.8.1
-pdfminer==20191125
-pdfminer.six==20200517
-pdfplumber==0.5.26
-pexpect==4.8.0
-pickleshare==0.7.5
-Pillow==8.1.0
-prometheus-client==0.9.0
-prompt-toolkit==3.0.16
-protobuf==3.15.1
-ptyprocess==0.7.0
-pyarrow==3.0.0
-pycparser==2.20
-pycryptodome==3.10.1
-pydeck==0.6.1
-Pygments==2.8.0
-pyparsing==2.4.7
-PyPDF2==1.26.0
-pyrsistent==0.17.3
-python-dateutil==2.8.1
-python-poppler==0.2.2
-pytz==2021.1
-pyzmq==22.0.3
-requests==2.25.0
-Send2Trash==1.5.0
-six==1.15.0
-smmap==3.0.5
-sortedcontainers==2.3.0
 streamlit==0.76.0
-terminado==0.9.2
-testpath==0.4.4
-toml==0.10.2
-toolz==0.11.1
-tornado==6.1
-traitlets==5.0.5
-tzlocal==2.1
-urllib3==1.26.2
-validators==0.18.2
-Wand==0.6.5
-watchdog==2.0.1
-wcwidth==0.2.5
-webencodings==0.5.1
-widgetsnbextension==3.5.1
-zope.event==4.5.0
-zope.interface==5.2.0
+Pillow==8.1.0
+gTTS==2.2.2
+python-poppler==0.2.2