<div dir="ltr">Hello,<div><br></div><div>I am trying to install Rivet and I cam across this error:</div><div><br></div><div><div>AttributeError: '_Environ' object has no attribute 'has_key'</div><div>Makefile:665: recipe for target 'all-local' failed</div><div>make[2]: *** [all-local] Error 1</div><div>make[2]: Leaving directory '/home/remus/Workspace/RIVET/YODA-1.6.6/pyext'</div><div>Makefile:391: recipe for target 'all-recursive' failed</div><div>make[1]: *** [all-recursive] Error 1</div><div>make[1]: Leaving directory '/home/remus/Workspace/RIVET/YODA-1.6.6/pyext'</div><div>Makefile:512: recipe for target 'all-recursive' failed</div><div>make: *** [all-recursive] Error 1</div></div><div><br></div><div>Could you please help me? I don't know how to get pass it. </div><div><br></div><div>Thank you in advance.</div><div><br></div><div>Best regards,</div><div><br></div><div>Remus</div></div>