importSample example fails

[diplodata]

Firstly, is this very helpful package still being developed/maintained? No expectations, but it would be good to know.

The example for importSample no longer appears to work (neo4j 3.3.0 / R 3.4.2).

> importSample(graph, "tweets")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1: Y
Error: Client error: (400) Bad Request
Neo.ClientError.Statement.SyntaxError
Parentheses are required to identify nodes in patterns, i.e. (_0) (line 400, column 8 (offset: 60164))
"create _0-[:`USING`]->_163"
        ^
> getNodes(graph, 'MATCH (n) RETURN (n);')
> importSample(graph, "tweets")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1: N
Error in clear.graph(graph, input = input) : Delete aborted.
> getNodes(graph, 'MATCH (n) RETURN (n);')
[NULL response..]

[aflooding]

Pls help. I meet same problem.

importSample(graph, "dfw")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1: Y
错误: Client error: (404) Not Found

[aflooding]

I changed the directory,404 error disappeared, got new problems,

importSample(graph, "dfw")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1: Y
Error: Client error: (400) Bad Request
Neo.ClientError.Statement.SyntaxError
Parentheses are required to identify nodes in patterns, i.e. (_5) (line 288, column 8 (offset: 10571))
"create _5-[:IN_TERMINAL]->_0"
^
In addition: Warning message:
In readChar(fpath, file.info(fpath)$size) :
can only read in bytes in a non-UTF-8 MBCS locale

---

importSample(graph, "caltrain")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1: Y
Error: Client error: (400) Bad Request
Neo.ClientError.Statement.SyntaxError
Parentheses are required to identify nodes in patterns, i.e. (_167) (line 167, column 8 (offset: 12055))
"create _167-[:IN]->_166"
^
In addition: Warning message:
In readChar(fpath, file.info(fpath)$size) :
can only read in bytes in a non-UTF-8 MBCS locale

---

importSample(graph,"movies")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1:
Error in if (answer == "Y") { : argument is of length zero
Y
Error: object 'Y' not found

---

importSample(graph, "tweets")
You are about to delete all nodes, relationships, indexes, and constraints from the graph database. Are you sure? Y/N
1:
Error in if (answer == "Y") { : argument is of length zero