Check that the GitHub actions for building the wheels install NumPy v…

…1.19.5 well (#97)

* trivial change to run CI

* np req

* actions pin too

* restore numpy versions

* changelog

* Update tests/conftest.py

* Update .github/workflows/deploy.yml

Co-authored-by: Josh Izaac <josh146@gmail.com>

* Update CHANGELOG.md

Co-authored-by: Josh Izaac <josh146@gmail.com>

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ env:
   # Python build settings
 
   CIBW_BEFORE_BUILD: |
-    pip install numpy scipy pybind11
+    pip install numpy==1.19.5 scipy pybind11
 
   # Testing of built wheels
 

.github/workflows/wheels.yml

@@ -17,7 +17,7 @@ env:
   # Python build settings
 
   CIBW_BEFORE_BUILD: |
-    pip install numpy scipy pybind11
+    pip install numpy==1.19.5 scipy pybind11
 
   # Testing of built wheels
 

CHANGELOG.md

@@ -1,17 +1,19 @@
-# Release 0.16.0-dev
-
-### New features
-
-### Improvements
-
-### Breaking changes
+# Release 0.15.1
 
 ### Bug fixes
 
+* The PennyLane-Lightning binaries are now built with NumPy 1.19.5, to avoid ABI
+  compatibility issues with the latest NumPy 1.20 release. See
+  [the NumPy release notes](https://numpy.org/doc/stable/release/1.20.0-notes.html#size-of-np-ndarray-and-np-void-changed)
+  for more details.
+  [(#93)](https://github.com/PennyLaneAI/pennylane-lightning/pull/93)
+
 ### Contributors
 
 This release contains contributions from (in alphabetical order):
 
+Josh Izaac, Antal Száva
+
 ---
 
 # Release 0.15.0

pennylane_lightning/_version.py

@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.16.0-dev"
+__version__ = "0.15.1"