pyomo无法找到“gurobi”可执行文件

# User specific aliases and functions
export PATH=/usr/local/anaconda27/bin:$PATH
export LD_LIBRARY_PATH=/etc/glad-smail-liberr:$LD_LIBRARY_PATH
#export GUROBI_HOME="/opt/gurobi650/linux64"
export GUROBI_HOME="/usr/local/anaconda27"
export PATH="${PATH}:${GUROBI_HOME}/bin"
export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${GUROBI_HOME}/lib"
export GRB_LICENSE_FILE="${GUROBI_HOME}/lib/gurobi.lic"

WARNING:pyomo.solvers:Could not locate the 'gurobi' executable, which is required for solver gurobi
failed
Traceback (most recent call last):
File "scripts/solve_network.py", line 179, in <module>
    solve_model(network)
  File "scripts/solve_network.py", line 106, in solve_model
    network.lopf(network.snapshots,solver_name=solver_name,solver_io=solver_io,solver_options=solver_options,extra_functionality=extra_functionality,keep_files=network.opf_keep_files,formulation=options['formulation'])
  File "/usr/local/anaconda27/lib/python2.7/site-packages/pypsa-0.15.0-py2.7.egg/pypsa/opf.py", line 1673, in network_lopf
    extra_postprocessing=extra_postprocessing)
  File "/usr/local/anaconda27/lib/python2.7/site-packages/pypsa-0.15.0-py2.7.egg/pypsa/opf.py", line 1580, in network_lopf_solve
    network.results = network.opt.solve(*args, suffixes=["dual"], keepfiles=keep_files, logfile=solver_logfile, options=solver_options)
  File "/usr/local/anaconda27/lib/python2.7/site-packages/Pyomo-5.6-py2.7-linux-x86_64.egg/pyomo/opt/base/solvers.py", line 512, in solve
    self.available(exception_flag=True)
  File "/usr/local/anaconda27/lib/python2.7/site-packages/Pyomo-5.6-py2.7-linux-x86_64.egg/pyomo/solvers/plugins/solvers/GUROBI.py", line 155, in available