Merge remote-tracking branch 'remotes/upstream/master'

# Conflicts:
#	PyQt5-stubs/__init__.pyi

Author: BryceBeagle

.travis.yml

@@ -1,5 +1,5 @@
 language: python
-python: 3.6
+python: 3.7
 
 install:
   - pip install tox

PyQt5-stubs/QtCore.pyi

@@ -1839,6 +1839,8 @@ class QModelIndex(sip.simplewrapper):
     def column(self) -> int: ...
     def row(self) -> int: ...
     def child(self, arow: int, acolumn: int) -> 'QModelIndex': ...
+    def siblingAtColumn(self, column: int) -> 'QModelIndex': ...
+    def siblingAtRow(self, row: int) -> 'QModelIndex': ...
 
 
 class QPersistentModelIndex(sip.simplewrapper):
@@ -6033,6 +6035,10 @@ class QPoint(sip.simplewrapper):
 
     def __neg__(self) -> 'QPoint': ...
     def __pos__(self) -> 'QPoint': ...
+    def __add__(self, point: 'QPoint') -> 'QPoint': ...
+    def __sub__(self, point: 'QPoint') -> 'QPoint': ...
+    def __mul__(self, factor: float) -> 'QPoint': ...
+    def __truediv__(self, divisor: float) -> 'QPoint': ...
     @staticmethod
     def dotProduct(p1: 'QPoint', p2: 'QPoint') -> int: ...
     def setY(self, ypos: int) -> None: ...
@@ -6058,6 +6064,10 @@ class QPointF(sip.simplewrapper):
 
     def __neg__(self) -> 'QPointF': ...
     def __pos__(self) -> 'QPointF': ...
+    def __add__(self, point: 'QPointF') -> 'QPointF': ...
+    def __sub__(self, point: 'QPointF') -> 'QPointF': ...
+    def __mul__(self, factor: float) -> 'QPointF': ...
+    def __truediv__(self, divisor: float) -> 'QPointF': ...
     @staticmethod
     def dotProduct(p1: typing.Union['QPointF', QPoint], p2: typing.Union['QPointF', QPoint]) -> float: ...
     def manhattanLength(self) -> float: ...