diff --git a/requirements.txt b/requirements.txt
index 3e95130605f..aec9c02ec7d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,197 +1,3 @@
-anyconfig==0.9.8
-appnope==0.1.0
-astroid==2.2.5
-attrs==19.1.0
-backcall==0.1.0
-beautifulsoup4==4.7.1
-bleach==3.1.0
-bs4==0.0.1
-certifi==2018.11.29
-chardet==3.0.4
-Click==7.0
-colander==0.9.9
-colorama==0.4.1
-cycler==0.10.0
-decorator==4.4.0
-defusedxml==0.6.0
-document==1.0
-docx==0.2.4
-entrypoints==0.3
 Flask==0.10.1
-gTTS==2.0.3
-gTTS-token==1.1.3
-idna==2.8
-ipykernel==5.1.2
-ipython==7.8.0
-ipython-genutils==0.2.0
-ipywidgets==7.5.1
-iso8601==0.1.8
-isort==4.3.21
-itsdangerous==1.1.0
-jedi==0.15.1
-Jinja2==2.10
-jsonschema==3.0.2
-jupyter==1.0.0
-jupyter-client==5.3.1
-jupyter-console==6.0.0
-jupyter-core==4.5.0
-kiwisolver==1.1.0
 lark==0.0.4
 lark-parser==0.7.8
-lazy-object-proxy==1.4.2
-lxml==4.3.0
-MarkupSafe==1.1.0
-matplotlib==3.1.0
-mccabe==0.6.1
-mistune==0.8.4
-mock==2.0.0
-mpmath==1.1.0
-music==0.1b0
-nbconvert==5.6.0
-nbformat==4.4.0
-notebook==6.0.1
-numpy==1.16.1
-numpy-groupies==0+unknown
-pandas==0.24.2
-pandocfilters==1.4.2
-parso==0.5.1
-pbr==5.1.2
-pexpect==4.7.0
-pickleshare==0.7.5
-Pillow==6.1.0
-prometheus-client==0.7.1
-prompt-toolkit==2.0.9
-ptyprocess==0.6.0
-pygame==1.9.4
-Pygments==2.4.2
-pylint==2.3.1
-pyobjc==5.1.2
-pyobjc-core==5.1.2
-pyobjc-framework-Accounts==5.1.2
-pyobjc-framework-AddressBook==5.1.2
-pyobjc-framework-AdSupport==5.1.2
-pyobjc-framework-AppleScriptKit==5.1.2
-pyobjc-framework-AppleScriptObjC==5.1.2
-pyobjc-framework-ApplicationServices==5.1.2
-pyobjc-framework-Automator==5.1.2
-pyobjc-framework-AVFoundation==5.1.2
-pyobjc-framework-AVKit==5.1.2
-pyobjc-framework-BusinessChat==5.1.2
-pyobjc-framework-CalendarStore==5.1.2
-pyobjc-framework-CFNetwork==5.1.2
-pyobjc-framework-CloudKit==5.1.2
-pyobjc-framework-Cocoa==5.1.2
-pyobjc-framework-Collaboration==5.1.2
-pyobjc-framework-ColorSync==5.1.2
-pyobjc-framework-Contacts==5.1.2
-pyobjc-framework-ContactsUI==5.1.2
-pyobjc-framework-CoreAudio==5.1.2
-pyobjc-framework-CoreAudioKit==5.1.2
-pyobjc-framework-CoreBluetooth==5.1.2
-pyobjc-framework-CoreData==5.1.2
-pyobjc-framework-CoreLocation==5.1.2
-pyobjc-framework-CoreMedia==5.1.2
-pyobjc-framework-CoreMediaIO==5.1.2
-pyobjc-framework-CoreML==5.1.2
-pyobjc-framework-CoreServices==5.1.2
-pyobjc-framework-CoreSpotlight==5.1.2
-pyobjc-framework-CoreText==5.1.2
-pyobjc-framework-CoreWLAN==5.1.2
-pyobjc-framework-CryptoTokenKit==5.1.2
-pyobjc-framework-DictionaryServices==5.1.2
-pyobjc-framework-DiscRecording==5.1.2
-pyobjc-framework-DiscRecordingUI==5.1.2
-pyobjc-framework-DiskArbitration==5.1.2
-pyobjc-framework-DVDPlayback==5.1.2
-pyobjc-framework-EventKit==5.1.2
-pyobjc-framework-ExceptionHandling==5.1.2
-pyobjc-framework-ExternalAccessory==5.1.2
-pyobjc-framework-FinderSync==5.1.2
-pyobjc-framework-FSEvents==5.1.2
-pyobjc-framework-GameCenter==5.1.2
-pyobjc-framework-GameController==5.1.2
-pyobjc-framework-GameKit==5.1.2
-pyobjc-framework-GameplayKit==5.1.2
-pyobjc-framework-ImageCaptureCore==5.1.2
-pyobjc-framework-IMServicePlugIn==5.1.2
-pyobjc-framework-InputMethodKit==5.1.2
-pyobjc-framework-InstallerPlugins==5.1.2
-pyobjc-framework-InstantMessage==5.1.2
-pyobjc-framework-Intents==5.1.2
-pyobjc-framework-IOSurface==5.1.2
-pyobjc-framework-iTunesLibrary==5.1.2
-pyobjc-framework-LatentSemanticMapping==5.1.2
-pyobjc-framework-LaunchServices==5.1.2
-pyobjc-framework-libdispatch==5.1.2
-pyobjc-framework-LocalAuthentication==5.1.2
-pyobjc-framework-MapKit==5.1.2
-pyobjc-framework-MediaAccessibility==5.1.2
-pyobjc-framework-MediaLibrary==5.1.2
-pyobjc-framework-MediaPlayer==5.1.2
-pyobjc-framework-MediaToolbox==5.1.2
-pyobjc-framework-ModelIO==5.1.2
-pyobjc-framework-MultipeerConnectivity==5.1.2
-pyobjc-framework-NaturalLanguage==5.1.2
-pyobjc-framework-NetFS==5.1.2
-pyobjc-framework-Network==5.1.2
-pyobjc-framework-NetworkExtension==5.1.2
-pyobjc-framework-NotificationCenter==5.1.2
-pyobjc-framework-OpenDirectory==5.1.2
-pyobjc-framework-OSAKit==5.1.2
-pyobjc-framework-Photos==5.1.2
-pyobjc-framework-PhotosUI==5.1.2
-pyobjc-framework-PreferencePanes==5.1.2
-pyobjc-framework-PubSub==5.1.2
-pyobjc-framework-QTKit==5.1.2
-pyobjc-framework-Quartz==5.1.2
-pyobjc-framework-SafariServices==5.1.2
-pyobjc-framework-SceneKit==5.1.2
-pyobjc-framework-ScreenSaver==5.1.2
-pyobjc-framework-ScriptingBridge==5.1.2
-pyobjc-framework-SearchKit==5.1.2
-pyobjc-framework-Security==5.1.2
-pyobjc-framework-SecurityFoundation==5.1.2
-pyobjc-framework-SecurityInterface==5.1.2
-pyobjc-framework-ServiceManagement==5.1.2
-pyobjc-framework-Social==5.1.2
-pyobjc-framework-SpriteKit==5.1.2
-pyobjc-framework-StoreKit==5.1.2
-pyobjc-framework-SyncServices==5.1.2
-pyobjc-framework-SystemConfiguration==5.1.2
-pyobjc-framework-UserNotifications==5.1.2
-pyobjc-framework-VideoSubscriberAccount==5.1.2
-pyobjc-framework-VideoToolbox==5.1.2
-pyobjc-framework-Vision==5.1.2
-pyobjc-framework-WebKit==5.1.2
-pyparsing==2.4.0
-pyrsistent==0.15.4
-python-dateutil==2.8.0
-python-docx==0.8.10
-pyttsx==1.1
-pyttsx3==2.7
-pytz==2019.1
-PyYAML==3.13
-pyzmq==18.1.0
-qtconsole==4.5.5
-redis==2.8.0
-requests==2.21.0
-rope==0.14.0
-scipy==1.2.1
-Send2Trash==1.5.0
-six==1.12.0
-soupsieve==1.7.3
-speech==0.5.2
-sympy==1.3
-termcolor==1.1.0
-terminado==0.8.2
-testpath==0.4.2
-tornado==6.0.3
-traitlets==4.3.2
-translationstring==1.3
-typed-ast==1.4.0
-urllib3==1.24.1
-wcwidth==0.1.7
-webencodings==0.5.1
-Werkzeug==0.14.1
-widgetsnbextension==3.5.1
-wrapt==1.11.2