A few modification to fix docs passing.

Also make sure some of the function signature are reproducible by not
having the hex address of objects in reprs.

IPython/core/completer.py

@@ -177,7 +177,13 else:
 # may have trouble processing.
 MATCHES_LIMIT = 500
 
-_deprecation_readline_sentinel = object()
+
+class Sentinel:
+    def __repr__(self):
+        return "<deprecated sentinel>"
+
+
+_deprecation_readline_sentinel = Sentinel()
 
 
 class ProvisionalCompleterWarning(FutureWarning):

IPython/core/interactiveshell.py

@@ -3004,7 +3004,7 class InteractiveShell(SingletonConfigurable):
         result: bool
             Whether the code needs to be run with a coroutine runner or not
 
-        .. versionadded: 7.0
+        .. versionadded:: 7.0
         """
         if not self.autoawait:
             return False
@@ -3069,7 +3069,7 class InteractiveShell(SingletonConfigurable):
         -------
         result : :class:`ExecutionResult`
 
-        .. versionadded: 7.0
+        .. versionadded:: 7.0
         """
         info = ExecutionInfo(
             raw_cell, store_history, silent, shell_futures)

IPython/core/pylabtools.py

@@ -119,7 +119,7 def print_figure(fig, fmt="png", bbox_inches="tight", base64=False, **kwargs):
     If `base64` is True, return base64-encoded str instead of raw bytes
     for binary-encoded image formats
 
-    .. versionadded: 7.29
+    .. versionadded:: 7.29
         base64 argument
     """
     # When there's an empty figure, we shouldn't return anything, otherwise we
@@ -162,7 +162,7 def retina_figure(fig, base64=False, **kwargs):
     If `base64` is True, return base64-encoded str instead of raw bytes
     for binary-encoded image formats
 
-    .. versionadded: 7.29
+    .. versionadded:: 7.29
         base64 argument
     """
     pngdata = print_figure(fig, fmt="retina", base64=False, **kwargs)
@@ -399,7 +399,7 def import_pylab(user_ns, import_all=True):
 
 def configure_inline_support(shell, backend):
     """
-    .. deprecated: 7.23
+    .. deprecated:: 7.23
 
         use `matplotlib_inline.backend_inline.configure_inline_support()`
 

IPython/utils/text.py

@@ -593,6 +593,9 class DollarFormatter(FullEvalFormatter):
             # Re-yield the {foo} style pattern
             yield (txt + literal_txt[continue_from:], field_name, format_spec, conversion)
 
+    def __repr__(self):
+        return "<DollarFormatter>"
+
 #-----------------------------------------------------------------------------
 # Utils to columnize a list of string
 #-----------------------------------------------------------------------------