don't use deprecated ipapi.get

It's been deprecated for three releases.  Come on guys.

IPython/core/debugger.py

@@ -33,7 +33,6 b' import sys'
 
 from IPython import get_ipython
 from IPython.utils import PyColorize, ulinecache
-from IPython.core import ipapi
 from IPython.utils import coloransi, io, py3compat
 from IPython.core.excolors import exception_colors
 
@@ -205,7 +204,7 b' class Pdb(OldPdb):'
         # IPython changes...
         self.is_pydb = has_pydb
 
-        self.shell = ipapi.get()
+        self.shell = get_ipython()
 
         if self.is_pydb:
 

IPython/core/page.py

@@ -34,7 +34,7 b' import tempfile'
 
 from io import UnsupportedOperation
 
-from IPython.core import ipapi
+from IPython import get_ipython
 from IPython.core.error import TryNext
 from IPython.utils.data import chop
 from IPython.utils import io
@@ -158,7 +158,7 b' def page(strng, start=0, screen_lines=0, pager_cmd=None):'
     start = max(0, start)
 
     # first, try the hook
-    ip = ipapi.get()
+    ip = get_ipython()
     if ip:
         try:
             ip.hooks.show_in_pager(strng)

IPython/core/tests/refbug.py

@@ -18,7 +18,7 b' test_run.py calls it.'
 #-----------------------------------------------------------------------------
 import sys
 
-from IPython.core import ipapi
+from IPython import get_ipython
 
 #-----------------------------------------------------------------------------
 # Globals
@@ -29,7 +29,7 b' from IPython.core import ipapi'
 # want to prevent.
 if __name__ == '__main__':
 
-    ip = ipapi.get()
+    ip = get_ipython()
 
     if not '_refbug_cache' in ip.user_ns:
         ip.user_ns['_refbug_cache'] = []

IPython/core/ultratb.py

@@ -99,7 +99,8 b' from inspect import getsourcefile, getfile, getmodule,\\'
 
 # IPython's own modules
 # Modified pdb which doesn't damage IPython's readline handling
-from IPython.core import debugger, ipapi
+from IPython import get_ipython
+from IPython.core import debugger
 from IPython.core.display_trap import DisplayTrap
 from IPython.core.excolors import exception_colors
 from IPython.utils import PyColorize
@@ -279,7 +280,7 b' def _format_traceback_lines(lnum, index, lines, Colors, lvals=None,scheme=None):'
 
     # This lets us get fully syntax-highlighted tracebacks.
     if scheme is None:
-        ipinst = ipapi.get()
+        ipinst = get_ipython()
         if ipinst is not None:
             scheme = ipinst.colors
         else:
@@ -602,7 +603,7 b' class ListTB(TBTools):'
 
         # sync with user hooks
         if have_filedata:
-            ipinst = ipapi.get()
+            ipinst = get_ipython()
             if ipinst is not None:
                 ipinst.hooks.synchronize_with_editor(value.filename, value.lineno, 0)
 
@@ -957,7 +958,7 b' class VerboseTB(TBTools):'
              filepath, lnum = records[-1][1:3]
              #print "file:", str(file), "linenb", str(lnum) # dbg
              filepath = os.path.abspath(filepath)
-             ipinst = ipapi.get()
+             ipinst = get_ipython()
              if ipinst is not None:
                  ipinst.hooks.synchronize_with_editor(filepath, lnum, 0)
         # vds: <<