source_address) 551 host, port = address 552 err = None --> 553 for res in getaddrinfo(host, port, 0, SOCK_STREAM): 554 af, socktype, proto, canonname, sa = res 555 sock = None IOError: [Errno socket error] [Errno

Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised ========================================== """ The pipe method is inspired by unix pipes, which stream text through processes. More recently dplyr and magrittr 200 Chapter 1. What’s New pandas: powerful iterator which reads in chunksize lines at a time. This can be useful for large files or to read from a stream. In [248]: jsonl = ''' .....: {"a":1,"b":2} .....: {"a":3,"b":4} .....: ''' .....: In [249]:

Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised ========================================== """ The pipe method is inspired by unix pipes, which stream text through processes. More recently dplyr and magrittr have introduced the popular (%>%) pipe operator arithmetic column-by-column in mixed-type DataFrame to avoid type upcasting issues. Caused down- stream DataFrame.diff bug (GH1896) • Fix matplotlib auto-color assignment when no custom spectrum passed

Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised ========================================== """ The pipe method is inspired by unix pipes, which stream text through processes. More recently dplyr and magrittr have introduced the popular (%>%) pipe operator arithmetic column-by-column in mixed-type DataFrame to avoid type upcasting issues. Caused down- stream DataFrame.diff bug (GH1896) • Fix matplotlib auto-color assignment when no custom spectrum passed

Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised ========================================== """ The pipe method is inspired by unix pipes, which stream text through processes. More recently dplyr and magrittr 1.11. v0.16.2 (June 12, 2015) 171 pandas: arithmetic column-by-column in mixed-type DataFrame to avoid type upcasting issues. Caused down- stream DataFrame.diff bug (GH1896) • Fix matplotlib auto-color assignment when no custom spectrum passed

Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised ========================================== """ The pipe method is inspired by unix pipes, which stream text through processes. More recently dplyr and magrittr have introduced the popular (%>%) pipe operator arithmetic column-by-column in mixed-type DataFrame to avoid type upcasting issues. Caused down- stream DataFrame.diff bug (GH1896) • Fix matplotlib auto-color assignment when no custom spectrum passed

iterator which reads in chunksize lines at a time. This can be useful for large files or to read from a stream. In [262]: jsonl = ''' .....: {"a": 1, "b": 2} .....: {"a": 3, "b": 4} .....: ''' .....: In when the columns keyword argument is passed (GH31677) • Fixed regression in ExcelFile where the stream passed into the function was closed by the destructor. (GH31467) • Fixed regression where read_pickle() Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised

iterator which reads in chunksize lines at a time. This can be useful for large files or to read from a stream. In [262]: jsonl = ''' .....: {"a": 1, "b": 2} .....: {"a": 3, "b": 4} .....: ''' .....: In when the columns keyword argument is passed (GH31677) • Fixed regression in ExcelFile where the stream passed into the function was closed by the destructor. (GH31467) • Fixed regression where read_pickle() Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised

iterator which reads in chunksize lines at a time. This can be useful for large files or to read from a stream. In [262]: jsonl = ''' .....: {"a": 1, "b": 2} .....: {"a": 3, "b": 4} .....: ''' .....: In when the columns keyword argument is passed (GH31677) • Fixed regression in ExcelFile where the stream passed into the function was closed by the destructor. (GH31467) • Fixed regression where read_pickle() Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised

iterator which reads in chunksize lines at a time. This can be useful for large files or to read from a stream. In [262]: jsonl = ''' .....: {"a": 1, "b": 2} .....: {"a": 3, "b": 4} .....: ''' .....: In when the columns keyword argument is passed (GH31677) • Fixed regression in ExcelFile where the stream passed into the function was closed by the destructor. (GH31467) • Fixed regression where read_pickle() Bug in pd.read_csv() which may cause a segfault or corruption when iterating in large chunks over a stream/file under rare circumstances (GH13703) • Bug in pd.read_csv() which caused errors to be raised