py36-ioflo: FAIL: Requires Python 3.7.4 or later, but setup.py was run using 3.6.10

[ryandesign (Ryan Carsten Schmidt)]

​py36-ioflo fails to build:

--->  Building py36-ioflo
DEBUG: Executing proc-pre-org.macports.build-build-0
DEBUG: Executing org.macports.build (py36-ioflo)
DEBUG: Environment: 
CC='/usr/bin/clang'
CC_PRINT_OPTIONS='YES'
CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_python_py-ioflo/py36-ioflo/work/.CC_PRINT_OPTIONS'
CFLAGS=' -isysroot/'
CPATH='/opt/local/include'
CXX='/usr/bin/clang++'
CXXFLAGS=' -isysroot/'
DEVELOPER_DIR='/Library/Developer/CommandLineTools'
F90FLAGS=''
FCFLAGS=''
FFLAGS=''
LDFLAGS=''
LIBRARY_PATH='/opt/local/lib'
MACOSX_DEPLOYMENT_TARGET='10.9'
OBJC='/usr/bin/clang'
OBJCFLAGS=' -isysroot/'
Executing:  cd "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_python_py-ioflo/py36-ioflo/work/ioflo-2.0.0" && /opt/local/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 setup.py --no-user-cfg build 
DEBUG: system:  cd "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_python_py-ioflo/py36-ioflo/work/ioflo-2.0.0" && /opt/local/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 setup.py --no-user-cfg build 
FAIL: Requires Python 3.7.4 or later, but setup.py was run using 3.6.10
NOTE: Installation failed. Run setup.py using Python 3.7.4 or later
Command failed:  cd "/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_python_py-ioflo/py36-ioflo/work/ioflo-2.0.0" && /opt/local/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 setup.py --no-user-cfg build 
Exit code: 1

Please verify that ports build before committing them.

[reneeotten (Renee Otten)]

In 60c5a53a09078cf3208adebaa09743db8d9a78e6/macports-ports (master):

py-ioflo: pin to version 1.7.8 for PY36

Closes: #60047