From 4b25c12ddec16dc5bbb5d7821643e66bf81f4060 Mon Sep 17 00:00:00 2001
From: Simon Hawkins <simonjayhawkins@gmail.com>
Date: Sat, 9 Jan 2021 20:21:18 +0000
Subject: [PATCH 1/2] TYP: prep _generate_range_overflow_safe for numpy 1.2

---
 pandas/core/arrays/_ranges.py | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/pandas/core/arrays/_ranges.py b/pandas/core/arrays/_ranges.py
index 14b442bf71080..ce57d1e3efbff 100644
--- a/pandas/core/arrays/_ranges.py
+++ b/pandas/core/arrays/_ranges.py
@@ -69,8 +69,11 @@ def generate_regular_range(
 
 
 def _generate_range_overflow_safe(
-    endpoint: int, periods: int, stride: int, side: str = "start"
-) -> int:
+    endpoint: Union[int, np.integer],
+    periods: Union[int, np.integer],
+    stride: int,
+    side: str = "start",
+) -> np.integer:
     """
     Calculate the second endpoint for passing to np.arange, checking
     to avoid an integer overflow.  Catch OverflowError and re-raise
@@ -89,7 +92,7 @@ def _generate_range_overflow_safe(
 
     Returns
     -------
-    other_end : int
+    np.integer
 
     Raises
     ------
@@ -136,8 +139,11 @@ def _generate_range_overflow_safe(
 
 
 def _generate_range_overflow_safe_signed(
-    endpoint: int, periods: int, stride: int, side: str
-) -> int:
+    endpoint: Union[int, np.integer],
+    periods: Union[int, np.integer],
+    stride: int,
+    side: str,
+) -> np.integer:
     """
     A special case for _generate_range_overflow_safe where `periods * stride`
     can be calculated without overflowing int64 bounds.

From a7bea7d3c57b5372ecfc9e9238e31ee40a899e50 Mon Sep 17 00:00:00 2001
From: Simon Hawkins <simonjayhawkins@gmail.com>
Date: Mon, 11 Jan 2021 20:40:06 +0000
Subject: [PATCH 2/2] remove problematic type annotations for now

---
 pandas/core/arrays/_ranges.py | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/pandas/core/arrays/_ranges.py b/pandas/core/arrays/_ranges.py
index ce57d1e3efbff..dfed3c927b810 100644
--- a/pandas/core/arrays/_ranges.py
+++ b/pandas/core/arrays/_ranges.py
@@ -69,11 +69,8 @@ def generate_regular_range(
 
 
 def _generate_range_overflow_safe(
-    endpoint: Union[int, np.integer],
-    periods: Union[int, np.integer],
-    stride: int,
-    side: str = "start",
-) -> np.integer:
+    endpoint: int, periods: int, stride: int, side: str = "start"
+):
     """
     Calculate the second endpoint for passing to np.arange, checking
     to avoid an integer overflow.  Catch OverflowError and re-raise
@@ -139,11 +136,8 @@ def _generate_range_overflow_safe(
 
 
 def _generate_range_overflow_safe_signed(
-    endpoint: Union[int, np.integer],
-    periods: Union[int, np.integer],
-    stride: int,
-    side: str,
-) -> np.integer:
+    endpoint: int, periods: int, stride: int, side: str
+):
     """
     A special case for _generate_range_overflow_safe where `periods * stride`
     can be calculated without overflowing int64 bounds.