bump version and drop python2

.SRCINFO

@@ -1,39 +1,20 @@
 pkgbase = python-plotly
-	pkgdesc = An interactive, browser-based graphing library for Python
-	pkgver = 4.1.0
+	pkgdesc = An open-source, interactive graphing library
+	pkgver = 4.5.0
 	pkgrel = 1
-	url = https://plot.ly/python/
+	url = https://github.com/coin3d/pivy
 	arch = any
 	license = MIT
-	makedepends = python
 	makedepends = python-setuptools
-	makedepends = python2
-	makedepends = python2-setuptools
-	makedepends = python-numpy
-	makedepends = python-pytz
-	makedepends = python-requests
-	makedepends = python-retrying
-	makedepends = python2-numpy
-	makedepends = python2-pytz
-	makedepends = python2-requests
-	source = python-plotly-4.1.0.tar.gz::https://pypi.org/packages/source/p/plotly/plotly-4.1.0.tar.gz
-	sha512sums = b7249ce8acc98d642ede4eec3f18cdd251969d8da9a1dba467afed40d84b568ac2f3c8471bb98b386dde82d027c1f9f03cdab6d8271fa85349a428f1a507dde1
+	depends = python
+	depends = python-matplotlib
+	depends = python-numpy
+	depends = python-six
+	depends = python-retrying
+	optdepends = ipython
+	optdepends = python-ipywidgets
+	source = https://github.com/plotly/plotly.py/archive/v4.5.0.tar.gz
+	md5sums = 3f02b2337e062b6d367a1476c2300921
 
 pkgname = python-plotly
-	pkgdesc = An interactive, browser-based graphing library for Python3
-	depends = python
-	depends = python-requests
-	depends = python-pytz
-	depends = python-six
-	depends = python-numpy
-	depends = python-retrying
-
-pkgname = python2-plotly
-	pkgdesc = An interactive, browser-based graphing library for Python2
-	depends = python2
-	depends = python2-requests
-	depends = python2-pytz
-	depends = python2-six
-	depends = python2-numpy
-	depends = python-retrying