Update pillow to 4.2.1

[pyup-bot]

There's a new version of Pillow available.
You are currently using 3.3.1. I have updated it to 4.2.1

These links might come in handy: PyPI | Changelog | Homepage

Changelog

4.2.1

---

• CI: Fix version specification and test on CI for PyPy/Windows 2608
  [wiredfool]

4.2.0

---

• Doc: Clarified Image.save:append_images documentation 2604
  [radarhere]

• CI: Amazon Linux and Centos6 docker images added to TravisCI 2585
  [wiredfool]

• Image.alpha_composite added 2595
  [wiredfool]

• Complex Text Support 2576
  [ShamsaHamed, Fahad-Alsaidi, wiredfool]

• Added threshold parameter to ImageDraw.floodfill 2599
  [nediamond]

• Added dBATCH parameter to ghostscript command 2588
  [radarhere]

• JPEG: Adjust buffer size when icc_profile > MAXBLOCK 2596
  [Darou]

• Specify Pillow Version in one place 2517
  [wiredfool]

• CI: Change the owner of the TRAVIS_BUILD_DIR, fixing broken docker runs 2587
  [wiredfool]

• Fix truncated PNG loading for some images, Fix memory leak on truncated PNG images. 2541, 2598
  [homm]

• Add decompression bomb check to Image.crop 2410
  [wiredfool]

• ImageFile: Ensure that the err_code variable is initialized in case of exception. 2363
  [alexkiro]

• Tiff: Support append_images for saving multipage TIFFs 2406
  [blochl]

• Doc: Clarify that draft is only implemented for JPEG and PCD 2409
  [wiredfool]

• Test: MicImagePlugin 2447
  [hugovk]

• Use round() instead of floor() to eliminate zero coefficients in resample 2558
  [homm]

• Remove deprecated code 2549
  [hugovk]

• Added append_images to PDF saving 2526
  [radarhere]

• Remove unused function core image function new_array 2548
  [hugovk]

• Remove unnecessary calls to dict.keys() 2551
  [jdufresne]

• Add more ImageDraw.py tests and remove unused Draw.c code 2533
  [hugovk]

• Test: More tests for ImageMorph 2554
  [hugovk]

• Test: McIDAS area file 2552
  [radarhere]

• Update Feature Detection 2520
  [wiredfool]

• CI: Update pypy on TravisCI 2573
  [hugovk]

• ImageMorph: Fix wrong expected size of MRLs read from disk 2561
  [dov]

• Docs: Update install docs for FreeBSD 2546
  [wiredfool]

• Build: Ignore OpenJpeg 1.5 on FreeBSD 2544
  [melvyn-sopacua]

• Remove 'not yet implemented' methods from PIL 1.1.4 2538
  [hugovk]

• Dependencies: Update FreeType to 2.8, LibTIFF to 4.0.8 and libimagequant to 2.9.1 2535 2537 2540
  [radarhere]

• Raise TypeError and not also UnboundLocalError in ImageFile.Parser() 2525
  [joshblum]

• Test: Use Codecov for coverage 2528
  [hugovk]

• Use PNG for Image.show() 2527
  [HinTak, wiredfool]

• Remove WITH_DEBUG compilation flag 2522
  [wiredfool]

• Fix return value on parameter parse error in _webp.c 2521
  [adw1n]

• Set executable flag on scripts with shebang line 2295
  [radarhere]

• Flake8 2460
  [radarhere]

• Doc: Release Process Changes 2516
  [wiredfool]

• CI: Added region for s3 deployment on appveyor 2515
  [wiredfool]

• Doc: Updated references to point to existing files 2507
  [radarhere]

• Return copy on Image crop if crop dimensions match the image 2471
  [radarhere]

• Test: Optimize CI speed 2464, 2466
  [hugovk]

4.1.1

---

• Undef PySlice_GetIndicesEx, see https://bugs.python.org/issue29943 2493
  [cgohlke]

• Fix for file with DPI in EXIF but not metadata, and XResolution is an int rather than tuple 2484
  [hugovk]

• Docs: Removed broken download counter badge 2487
  [hugovk]

• Docs: Fixed rst syntax error 2477
  [thebjorn]

4.1.0

---

• Close files after loading if possible 2330
  [homm, wiredfool]

• Fix Image Access to be reloadable when embedding the Python interpreter 2296
  [wiredfool, cgohlke]

• Fetch DPI from EXIF if not specified in JPEG header 2449, 2472
  [hugovk]

• Removed winbuild checksum verification 2468
  [radarhere]

• Git: Set ContainerIO test file as binary 2469
  [cgohlke]

• Remove superfluous import of FixTk 2455
  [cgohlke)

• Fix import of tkinter/Tkinter 2456
  [cgohlke)

• Pure Python Decoders, including Python decoder to fix for MSP images 1938
  [wiredfool, hugovk]

• Reorganized GifImagePlugin, fixes 2314. 2374
  [radarhere, wiredfool]

• Doc: Reordered operating systems in Compatibility Matrix 2436
  [radarhere]

• Test: Additional tests for BurfStub, Eps, Container, GribStub, IPTC, Wmf, XVThumb, ImageDraw, ImageMorph ImageShow 2425
  [radarhere]

• Health fixes 2437
  [radarhere]

• Test: Correctness tests ContainerIO, XVThumbImagePlugin, BufrStubImagePlugin, GribStubImagePlugin, FitsStubImagePlugin, Hdf5StubImagePlugin, PixarImageFile, PsdImageFile 2443, 2442, 2441, 2440, 2431, 2430, 2428, 2427
  [hugovk]

• Remove unused imports 1822
  [radarhere]

• Replaced KeyError catch with dictionary get method 2424
  [radarhere]

• Test: Removed unrunnable code in test_image_toqimage 2415
  [hugovk]

• Removed use of spaces in TIFF kwargs names, deprecated in 2.7 1390
  [radarhere]

• Removed deprecated ImageDraw setink, setfill, setfont methods 2220
  [jdufresne]

• Send unwanted subprocess output to /dev/null 2253
  [jdufresne]

• Fix division by zero when creating 0x0 image from numpy array 2419
  [hugovk]

• Test: Added matrix convert tests 2381
  [hugovk]

• Replaced broken URL to partners.adobe.com 2413
  [radarhere]

• Removed unused private functions in setup.py and build_dep.py 2414
  [radarhere]

• Test: Fixed Qt tests for QT5 and saving 1 bit PNG 2394
  [wiredfool]

• Test: docker builds for Arch and Debian Stretch 2394
  [wiredfool]

• Updated libwebp to 0.6.0 on appveyor 2395
  [radarhere]

• More explicit error message when saving to a file with invalid extension 2399
  [ces42]

• Docs: Update some http urls to https 2403
  [hugovk]

• Preserve aux/alpha channels when performing Imagecms transforms 2355
  [gunjambi]

• Test linear and radial gradient effects 2382
  [hugovk]

• Test ImageDraw.Outline and and ImageDraw.Shape 2389
  [hugovk]

• Added PySide to ImageQt documentation 2392
  [radarhere]

• BUG: Empty image mode no longer causes a crash 2380
  [evalapply]

• Exclude .travis and contents from manifest 2386
  [radarhere]

• Remove 'MIT-like' from license 2145
  [wiredfool]

• Tests: Add tests for several Image operations 2379
  [radarhere]

• PNG: Moved iCCP chunk before PLTE chunk when saving as PNG, restricted chunks known value/ordering 2347
  [radarhere]

• Default to inch-interpretation for missing ResolutionUnit in TiffImagePlugin 2365
  [lambdafu]

• Bug: Fixed segfault when using ImagingTk on pypy Issue 2376, 2359.
  [wiredfool]

• Bug: Fixed Integer overflow using ImagingTk on 32 bit platforms 2359
  [wiredfool, QuLogic]

• Tests: Added docker images for testing alternate platforms. See also https://github.com/python-pillow/docker-images. 2368
  [wiredfool]

• Removed PIL 1.0 era TK readme that concerns Windows 95/NT 2360
  [wiredfool]

• Prevent nose -v printing docstrings 2369
  [hugovk]

• Replaced absolute PIL imports with relative imports 2349
  [radarhere]

• Added context managers for file handling 2307
  [radarhere]

• Expose registered file extensions in Image 2343
  [iggomez, radarhere]

• Make mode descriptor cache initialization thread-safe. 2351
  [gunjambi]

• Updated Windows test dependencies: Freetype 2.7.1, zlib 1.2.11 2331, 2332, 2357
  [radarhere]

• Followed upstream pngquant packaging reorg to libimagquant 2354
  [radarhere]

• Fix invalid string escapes 2352
  [hugovk]

• Add test for crop operation with no argument 2333
  [radarhere]

4.0.0

---

• Refactor out postprocessing hack to load_end in PcdImageFile
  [wiredfool]

• Add center and translate option to Image.rotate. 2328
  [lambdafu]

• Test: Relax WMF test condition, fixes 2323
  [wiredfool]

• Allow 0 size images, Fixes 2259, Reverts to pre-3.4 behavior.
  [wiredfool]

• SGI: Save uncompressed SGI/BW/RGB/RGBA files 2325
  [jbltx]

• Depends: Updated pngquant to 2.8.2 2319
  [radarhere]

• Test: Added correctness tests for opening SGI images 2324
  [wiredfool]

• Allow passing a list or tuple of individual frame durations when saving a GIF 2298
  [Xdynix]

• Unified different GIF optimize conditions 2196
  [radarhere]

• Build: Refactor dependency installation 2305
  [hugovk]

• Test: Add python 3.6 to travis, tox 2304
  [hugovk]

• Test: Fix coveralls coverage for Python+C 2300
  [hugovk]

• Remove executable bit and shebang from OleFileIO.py 2308
  [jwilk, radarhere]

• PyPy: Buffer interface workaround 2294
  [wiredfool]

• Test: Switch to Ubuntu Trusty 14.04 on Travis CI 2294

• Remove vendored version of olefile Python package in favor of upstream 2199
  [jdufresne]

• Updated comments to use print as a function 2234
  [radarhere]

• Set executable flag on selftest.py, setup.py and added shebang line 2282, 2277
  [radarhere, homm]

• Test: Increase epsilon for FreeType 2.7 as rendering is slightly different. 2286
  [hugovk]

• Test: Faster assert_image_similar 2279
  [homm]

• Removed depreciated internal "stretch" method 2276
  [homm]

• Removed the handles_eof flag in decode.c 2223
  [wiredfool]

• Tiff: Fix for writing Tiff to BytesIO using libtiff 2263
  [wiredfool]

• Doc: Design docs 2269
  [wiredfool]

• Test: Move tests requiring libtiff to test_file_libtiff 2273
  [wiredfool]

• Update Maxblock heuristic 2275
  [wiredfool]

• Fix for 2-bit palette corruption 2274
  [pdknsk, wiredfool]

• Tiff: Update info.icc_profile when using libtiff reader. 2193
  [lambdafu]

• Test: Fix bug in test_ifd_rational_save when libtiff is not available 2270
  [ChristopherHogan]

• ICO: Only save relevant sizes 2267
  [hugovk]

• ICO: Allow saving .ico files of 256x256 instead of 255x255 2265
  [hugovk]

• Fix TIFFImagePlugin ICC color profile saving. 2087
  [cskau]

• Doc: Improved description of ImageOps.deform resample parameter 2256
  [radarhere]

• EMF: support negative bounding box coordinates 2249
  [glexey]

• Close file if opened in WalImageFile 2216
  [radarhere]

• Use Image._new() instead of _makeself() 2248
  [homm]

• SunImagePlugin fixes 2241
  [wiredfool]

• Use minimal scale for jpeg drafts 2240
  [homm]

• Updated dependency scripts to use FreeType 2.7, OpenJpeg 2.1.2, WebP 0.5.2 and Tcl/Tk 8.6.6 2235, 2236, 2237, 2290, 2302
  [radarhere]

• Fix "invalid escape sequence" bytestring warnings in Python 3.6 2186
  [timgraham]

• Removed support for Python 2.6 and Python 3.2 2192
  [jdufresne]

• Setup: Raise custom exceptions when required/requested dependencies are not found 2213
  [wiredfool]

• Use a context manager in FontFile.save() to ensure file is always closed 2226
  [jdufresne]

• Fixed bug in saving to fp-objects in Python >= 3.4 2227
  [radarhere]

• Use a context manager in ImageFont._load_pilfont() to ensure file is always closed 2232
  [jdufresne]

• Use generator expressions instead of list comprehension 2225
  [jdufresne]

• Close file after reading in ImagePalette.load() 2215
  [jdufresne]

• Changed behaviour of default box argument for paste method to match docs 2211
  [radarhere]

• Add support for another BMP bitfield 2221
  [jmerdich]

• Added missing top-level test main 2222
  [radarhere]

• Replaced range(len()) 2197
  [radarhere]

• Fix for ImageQt Segfault, fixes 1370 2182
  [wiredfool]

• Setup: Close file in setup.py after finished reading 2208
  [jdufresne]

• Setup: optionally use pkg-config (when present) to detect dependencies 2074
  [garbas]

• Search for tkinter first in builtins 2210
  [matthew-brett]

• Tests: Replace try/except/fail pattern with TestCase.assertRaises() 2200
  [jdufresne]

• Tests: Remove unused, open files at top level of tests 2188
  [jdufresne]

• Replace type() equality checks with isinstance 2184
  [jdufresne]

• Doc: Move ICO out of the list of read-only file formats 2180
  [alexwlchan]

• Doc: Fix formatting, too-short title underlines and malformed table 2175
  [hugovk]

• Fix BytesWarnings 2172
  [jdufresne]

• Use Integer division to eliminate deprecation warning. 2168
  [mastermatt]

• Doc: Update compatibility matrix
  [daavve, wiredfool]

3.4.2

---

• Fix Resample coefficient calculation 2162
  [homm]

3.4.1

---

• Allow lists as arguments for Image.new() 2149
  [homm]

• Fix fix for map.c overflow 2151 (also in 3.3.3)
  [wiredfool]

3.4.0

---

• Removed Image.core.open_ppm, added negative image size checks in Image.py. 2146
  [wiredfool]

• Windows build: fetch dependencies from pillow-depends 2095
  [hugovk]

• Add TIFF save_all writer. 2140
  [lambdafu, vashek]

• Move libtiff fd duplication to _load_libtiff 2141
  [sekrause]

• Speed up GIF save optimization step, fixes 2093. 2133
  [wiredfool]

• Fix for ImageCms Segfault, Issue 2037. 2131
  [wiredfool]

• Make Image.crop an immediate operation, not lazy. 2138
  [wiredfool]

• Skip empty values in ImageFileDirectory 2024
  [homm]

• Force reloading palette when using mmap in ImageFile. 2139
  [lambdafu]

• Fix "invalid escape sequence" warning in Python 3.6 2136
  [timgraham]

• Update documentation about drafts 2137
  [radarhere]

• Converted documentation parameter format, comments to docstrings 2021
  [radarhere]

• Fixed typos 2128 2142
  [radarhere]

• Renamed references to OS X to macOS 2125 2130
  [radarhere]

• Use truth value when checking for progressive and optimize option on save 2115, 2129
  [radarhere]

• Convert DPI to ints when saving as JPEG 2102
  [radarhere]

• Added append_images parameter to GIF saving 2103
  [radarhere]

• Speedup paste with masks up to 80% 2015
  [homm]

• Rewrite DDS decoders in C, add DXT3 and BC7 decoders 2068
  [Mischanix]

• Fix PyArg_ParseTuple format in getink() 2070
  [arjennienhuis]

• Fix saving originally missing TIFF tags. 2111
  [anntzer]

• Allow pathlib.Path in Image.open on Python 2.7 2110
  [patricksnape]

• Use modern base64 interface over deprecated 2121
  [hugovk]

• ImageColor.getrgb hexadecimal RGBA 2114
  [homm]

• Test fix for bigendian machines 2092
  [wiredfool]

• Resampling lookups, trailing empty coefficients, precision 2008
  [homm]

• Add (un)packing between RGBA and BGRa 2057
  [arjennienhuis]

• Added return for J2k (and fpx) Load to return a pixel access object 2061
  [wiredfool]

• Skip failing numpy tests on Pypy <= 5.3.1 2090
  [arjennienhuis]

• Show warning when trying to save RGBA image as JPEG 2010
  [homm]

• Respect pixel centers during transform 2022
  [homm]

• TOC for supported file formats 2056
  [polarize]

• Fix conversion of bit images to numpy arrays Fixes 350, 2058
  [matthew-brett]

• Add ImageOps.scale to expand or contract a PIL image by a factor 2011
  [vlmath]

• Flake8 fixes 2050
  [hugovk]

• Updated freetype to 2.6.5 on Appveyor builds 2035
  [radarhere]

• PCX encoder fixes 2023, pr 2041
  [homm]

• Docs: Windows console prompts are > 2031
  [techtonik]

• Expose Pillow package version as PIL.version 2027
  [techtonik]

• Add Box and Hamming filters for resampling 1959
  [homm]

• Retain a reference to core image object in PyAccess 2009
  [homm]

3.3.3

---

• Fix fix for map.c overflow 2151
  [wiredfool]

3.3.2

---

• Fix negative image sizes in Storage.c 2105
  [wiredfool]

• Fix integer overflow in map.c 2105
  [wiredfool]

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[codecov-io]

Codecov Report

Merging #270 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #270   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           5      5           
  Lines          64     64           
=====================================
  Hits           64     64

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