From cf34164451839ec185ef5ee2b4924a28770d63c7 Mon Sep 17 00:00:00 2001
From: Uddeshya Singh <singhuddeshyaofficial@gmail.com>
Date: Sun, 10 Jun 2018 15:14:31 +0530
Subject: [PATCH 1/2] Update json.py

BUG : read_json with table='orient' causes unexpected type coercion #21345
---
 pandas/io/json/json.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pandas/io/json/json.py b/pandas/io/json/json.py
index 1627b2f4d3ec3..be0df071ecbb7 100644
--- a/pandas/io/json/json.py
+++ b/pandas/io/json/json.py
@@ -706,12 +706,12 @@ def _try_convert_data(self, name, data, use_dtypes=True,
                 except (TypeError, ValueError):
                     pass
 
-        # do't coerce 0-len data
+        # don't coerce 0-len data
         if len(data) and (data.dtype == 'float' or data.dtype == 'object'):
 
-            # coerce ints if we can
+            # coerce float if we can
             try:
-                new_data = data.astype('int64')
+                new_data = data.astype('float64')
                 if (new_data == data).all():
                     data = new_data
                     result = True
@@ -721,7 +721,7 @@ def _try_convert_data(self, name, data, use_dtypes=True,
         # coerce ints to 64
         if data.dtype == 'int':
 
-            # coerce floats to 64
+            # coerce ints to 64
             try:
                 data = data.astype('int64')
                 result = True

From 5b6b6d23689edab0bce386f8c6fb004b0a190f3f Mon Sep 17 00:00:00 2001
From: Uddeshya Singh <singhuddeshyaofficial@gmail.com>
Date: Sun, 10 Jun 2018 16:37:55 +0530
Subject: [PATCH 2/2] Update json.py

---
 pandas/io/json/json.py | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/pandas/io/json/json.py b/pandas/io/json/json.py
index be0df071ecbb7..641265a95e93b 100644
--- a/pandas/io/json/json.py
+++ b/pandas/io/json/json.py
@@ -707,11 +707,11 @@ def _try_convert_data(self, name, data, use_dtypes=True,
                     pass
 
         # don't coerce 0-len data
-        if len(data) and (data.dtype == 'float' or data.dtype == 'object'):
+        if len(data) and (data.dtype == 'object'):
 
-            # coerce float if we can
+            # coerce int if we can
             try:
-                new_data = data.astype('float64')
+                new_data = data.astype('int64')
                 if (new_data == data).all():
                     data = new_data
                     result = True
@@ -728,6 +728,16 @@ def _try_convert_data(self, name, data, use_dtypes=True,
             except (TypeError, ValueError):
                 pass
 
+        # coerce floats to 64
+        if data.dtype == 'float':
+
+            # coerce floats to 64
+            try:
+                data = data.astype('float64')
+                result = True
+            except (TypeError, ValueError):
+                pass
+
         return data, result
 
     def _try_convert_to_date(self, data):