Error in re-building vignettes:
  ...

Initialize Python Version 2.7.14 (default, Sep 17 2017, 18:50:44) 
[GCC 7.2.0]

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*          Welcome to WebGestaltR !      *

*                                        *

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trying URL ‘http://www.webgestalt.org//data/xref/hsapiens_genesymbol.table’
Content type 'unknown' length 1039725 bytes (1015 KB)
==================================================
downloaded 1015 KB

trying URL ‘http://www.webgestalt.org//data/xref/hsapiens_genesymbol.table’
Content type 'unknown' length 1039725 bytes (1015 KB)
==================================================
downloaded 1015 KB

trying URL ‘http://www.webgestalt.org//data/goslim/hsapiens_GOSlim_BiologicalProcess.table’
Content type 'unknown' length 2519935 bytes (2.4 MB)
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downloaded 2.4 MB

trying URL ‘http://www.webgestalt.org//data/goslim/hsapiens_GOSlim_CellularComponent.table’
Content type 'unknown' length 1513796 bytes (1.4 MB)
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downloaded 1.4 MB

trying URL ‘http://www.webgestalt.org//data/goslim/hsapiens_GOSlim_MolecularFunction.table’
Content type 'unknown' length 1122875 bytes (1.1 MB)
==================================================
downloaded 1.1 MB

trying URL ‘http://www.webgestalt.org//js/plotDAG.js’
Content type 'text/javascript' length 2860 bytes
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downloaded 2860 bytes

trying URL ‘http://www.webgestalt.org//js/xtrace_utils.js’
Content type 'text/javascript' length 13665 bytes (13 KB)
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downloaded 13 KB

trying URL ‘http://www.webgestalt.org//js/xtrace_graph.js’
Content type 'text/javascript' length 13410 bytes (13 KB)
==================================================
downloaded 13 KB

Warning in download.file(input, tt, method = method, mode = "wb", quiet = !showProgress) :
  downloaded length 47530 != reported length 2547389
Warning in download.file(input, tt, method = method, mode = "wb", quiet = !showProgress) :
  URL 'http://www.webgestalt.org//data/xref/hsapiens_genename.table': status was 'Failure when receiving data from the peer'

Error: processing vignette ‘WebGestaltR.Rnw’ failed with diagnostics:
 chunk 4 (label = Example) 
Error in download.file(input, tt, method = method, mode = "wb", quiet = !showProgress) : 
  download from 'http://www.webgestalt.org//data/xref/hsapiens_genename.table' failed
Execution halted