Hello,

I downloaded Julia 0.3.4 (dmg version) recently for Mac. I am using OS X 
10.9.5. Today I tried installing some packages. 
Package Distributions and ArgParse installed fine (have not used them yet, 
but they did not throw any error). 

However, DataFrames and PyCall did not install. Here is the error output 
form repl:

Pkg.add("PyCall")
ERROR: unknown package PyCall
 in wait at task.jl:51
 in sync_end at 
/Applications/Julia-0.3.4.app/Contents/Resources/julia/lib/julia/sys.dylib
 in add at pkg/entry.jl:319
 in add at pkg/entry.jl:71
 in anonymous at pkg/dir.jl:28
 in cd at 
/Applications/Julia-0.3.4.app/Contents/Resources/julia/lib/julia/sys.dylib
 in __cd#227__ at 
/Applications/Julia-0.3.4.app/Contents/Resources/julia/lib/julia/sys.dylib
 in add at pkg.jl:20

Any solutions?

Thank you.

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