use the pyoptsparse available from conda. NREL users that want to use…

… local SNOPT will have to install manually

README.md

@@ -57,21 +57,21 @@ The installation instructions below use the environment name, "weis-env," but an
 
 2.  Use conda to install the build dependencies.  Note the differences between Windows and Mac/Linux build systems. Skip to point #3 if you are on the DOE HPC system Eagle
 
-        conda install -y cmake cython control dill git jsonschema make matplotlib-base numpy openmdao openpyxl pandas pip pytest python-benedict pyyaml ruamel_yaml scipy setuptools smt sortedcontainers swig
+        conda install -y cmake cython control dill git jsonschema make matplotlib-base numpy openmdao openpyxl pandas pip pyoptsparse pytest python-benedict pyyaml ruamel_yaml scipy setuptools simpy slycot smt sortedcontainers swig
         conda install -y petsc4py mpi4py                 # (Mac / Linux only)   
         conda install -y compilers                       # (Mac only)   
         conda install -y m2w64-toolchain libpython       # (Windows only)
-        pip install simpy marmot-agents jsonmerge fatpack
+        pip install marmot-agents jsonmerge fatpack
         git clone https://github.com/WISDEM/WEIS.git
         cd WEIS
         git checkout branch_name # (Only if you want to switch git branch, say develop)
         python setup.py develop
 
 3. Instructions specific for DOE HPC system Eagle
 
-        conda install -y cmake cython control dill git jsonschema make matplotlib-base numpy openmdao openpyxl pandas pip pytest python-benedict pyyaml ruamel_yaml scipy setuptools smt sortedcontainers swig
-        conda install -y petsc4py mpi4py  
-        pip install simpy marmot-agents jsonmerge fatpack
+        conda install -y cmake cython control dill git jsonschema make matplotlib-base numpy openmdao openpyxl pandas pip pyoptsparse pytest python-benedict pyyaml ruamel_yaml scipy setuptools simpy slycot smt sortedcontainers swig
+        conda install -y petsc4py mpi4py
+        pip install marmot-agents jsonmerge fatpack
         git clone https://github.com/WISDEM/WEIS.git
         cd WEIS
         git checkout branch_name # (Only if you want to switch git branch, say develop)

environment.yml

@@ -20,6 +20,7 @@ dependencies:
   - openpyxl
   - pandas
   - pip
+  - pyoptsparse
   - pyside2
   - pytest
   - pytest-cov
@@ -28,6 +29,8 @@ dependencies:
   - ruamel_yaml
   - scipy
   - setuptools
+  - simpy
+  - slycot
   - smt
   - sortedcontainers
   - swig
@@ -36,7 +39,6 @@ dependencies:
     - fatpack
     - jsonmerge
     - marmot-agents
-    - simpy
 # Needs to be done outside of environment file:
 #  - m2w64-toolchain # [win]
 #  - libpython # [win]