Correct matplotlib spec
@@ -28,7 +28,7 @@ requirements:
- ffmpeg >=3.2.3,<3.2.6
- gcc # [unix]
- m2w64-toolchain # [win]
- - matplotlib =2.0.2
+ - matplotlib 2.0.2
- netcdf4 >=1.1.9
- numpy >=1.9.1
- progressbar2
