Fix an import issue

Author: seisman

pygmt/__init__.py

@@ -12,7 +12,6 @@
 from pkg_resources import get_distribution
 
 # Import modules to make the high-level GMT Python API
-from . import datasets
 from .figure import Figure
 from .filtering import blockmedian
 from .gridding import surface
@@ -24,6 +23,8 @@
 from .session_management import end as _end
 from .x2sys import x2sys_cross, x2sys_init
 
+from . import datasets  # isort:skip
+
 # Get semantic version through setuptools-scm
 __version__ = f'v{get_distribution("pygmt").version}'  # e.g. v0.1.2.dev3+g0ab3cd78
 __commit__ = __version__.split("+g")[-1]  # 0ab3cd78