Fix typo

.readthedocs.yaml

@@ -1,3 +1,9 @@
 version: 2
+
+build:
+  os: "ubuntu-20.04"
+  tools:
+    python: "mambaforge-4.10"
+
 conda:
   environment: environment.yml

appveyor.yml

@@ -6,7 +6,7 @@ platform:
 environment:
     matrix:
         - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-          MINICONDA_DIRNAME: C:\Miniconda38-x64
+          MINICONDA_DIRNAME: C:\Miniforge
         - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
           OS: Linux
         - APPVEYOR_BUILD_WORKER_IMAGE: macOS
@@ -16,17 +16,17 @@ environment:
         secure: $(anaconda_token)
 
 init:
+    - cmd: curl -fsSLo Miniforge.exe https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-Windows-x86_64.exe
+    - cmd: Miniforge.exe /InstallationType=JustMe /RegisterPython=0 /S /D=%MINICONDA_DIRNAME%
     - cmd: set "PATH=%MINICONDA_DIRNAME%;%MINICONDA_DIRNAME%\\Scripts;%PATH%"
-    - sh: curl -sL https://repo.anaconda.com/miniconda/Miniconda3-latest-$OS-x86_64.sh > miniconda.sh
+    - cmd: activate
+    - sh: curl -sL https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-$OS-x86_64.sh > miniconda.sh
     - sh: bash miniconda.sh -b -p $HOME/miniconda;
     - sh: export PATH="$HOME/miniconda/bin:$HOME/miniconda/lib:$PATH";
-    - sh: source $HOME/miniconda/bin/activate
+    - sh: source $HOME/miniconda/bin/activate 
 
 install:
-    - conda config --set always_yes yes --set changeps1 no
-    - conda update -q conda
-    - cmd: conda init cmd.exe
-    - conda env create -f environment.yml
+    - mamba env create -f environment.yml
     - conda activate cadquery
     - pip install git+https://github.com/CadQuery/OCP-stubs.git@7.6.3
 

doc/quickstart.rst

@@ -45,7 +45,7 @@ Let's see how we do.
 Start With A single, simple Plate
 ======================================
 
-Lets start with a simple model that makes nothing but a rectangular block, but
+Let's start with a simple model that makes nothing but a rectangular block, but
 with place-holders for the dimensions. Paste this into the code editor:
 
 .. code-block:: python
@@ -96,7 +96,7 @@ Rebuild your model by clicking the Render button. Your block should look like th
 ..  image:: _static/quickstart/003.png
 
 
-The code is pretty compact, lets step through it.
+The code is pretty compact, let's step through it.
 
 **Line 4** adds a new parameter, diameter, for the diameter of the hole
 
@@ -156,7 +156,7 @@ After clicking the Render button to re-execute the model, you should see somethi
         ..  image:: _static/quickstart/004.png
 
 
-There is quite a bit going on here, so lets break it down a bit.
+There is quite a bit going on here, so let's break it down a bit.
 
 **Line 5** creates a new padding parameter that decides how far the holes are from the edges of the plate.
 

mypy.ini

@@ -4,6 +4,7 @@ disable_error_code = no-redef
 
 [mypy-ezdxf.*]
 ignore_missing_imports = True
+no_implicit_optional = False
 
 [mypy-pyparsing.*]
 ignore_missing_imports = True