fix format

Author: pengcheng888

python/infinicore/_tensor_str.py

@@ -26,7 +26,6 @@ def set_printoptions(
     sci_mode=None,
 ):
     r"""Set options for printing.
-
     Args:
         precision: Number of digits of precision for floating point output (default = 4).
         threshold: Total number of array elements which trigger summarization rather than full `repr` (default = 1000).
@@ -41,7 +40,6 @@ def set_printoptions(
         >>> torch.set_printoptions(precision=2)
         >>> torch.tensor([1.12345])
         tensor([1.12])
-
     """
     if profile is not None:
         if profile == "default":

src/infinicore-test/test_tensor_destructor.cc

@@ -311,13 +311,6 @@ TestResult TensorDestructorTest::testPrintOptions() {
 
         std::cout << "\n=== Testing Print Options for Different Data Types ===" << std::endl;
 
-        // Reset to defaults before each test
-        set_precision(-1);
-        set_line_width(80);
-        set_threshold(1000);
-        set_edge_items(3);
-        set_sci_mode(-1);
-
         // Process each test case
         for (const auto &test_case : case_list) {
             // Extract tuple elements
@@ -327,11 +320,6 @@ TestResult TensorDestructorTest::testPrintOptions() {
             std::cout << tensor << std::endl;
         }
 
-        // Test print options with F32 tensor
-        set_precision(-1);
-        set_line_width(80);
-        set_threshold(1000);
-        set_edge_items(3);
         set_sci_mode(-1);
         std::cout << "\n=== Testing  Print Options with F32 Tensor ===" << std::endl;
         {

src/infinicore/tensor/io.cc

@@ -5,7 +5,11 @@
 #include <cmath>
 #include <cstdint>
 #include <iomanip>
+#include <ios>
 #include <iostream>
+#include <ostream>
+#include <sstream>
+#include <string>
 #include <vector>
 
 namespace {