MAINT: Remove unicode markers

Remove unnecessary unicode markers (u"")

3 files changed, 7 insertions, 7 deletions

diff --git a/numpy/random/_common.pyx b/numpy/random/_common.pyx
index 6d77aed03..19fb34d4d 100644
--- a/numpy/random/_common.pyx
+++ b/numpy/random/_common.pyx
@@ -25,11 +25,11 @@ cdef uint64_t MAXSIZE = <uint64_t>sys.maxsize
 cdef object benchmark(bitgen_t *bitgen, object lock, Py_ssize_t cnt, object method):
     """Benchmark command used by BitGenerator"""
     cdef Py_ssize_t i
-    if method==u'uint64':
+    if method=='uint64':
         with lock, nogil:
             for i in range(cnt):
                 bitgen.next_uint64(bitgen.state)
-    elif method==u'double':
+    elif method=='double':
         with lock, nogil:
             for i in range(cnt):
                 bitgen.next_double(bitgen.state)
diff --git a/numpy/random/_generator.pyx b/numpy/random/_generator.pyx
index 9673bc6f4..cc7991eb1 100644
--- a/numpy/random/_generator.pyx
+++ b/numpy/random/_generator.pyx
@@ -386,7 +386,7 @@ cdef class Generator:
                     0.0, '', CONS_NONE,
                     None)
 
-    def standard_exponential(self, size=None, dtype=np.float64, method=u'zig', out=None):
+    def standard_exponential(self, size=None, dtype=np.float64, method='zig', out=None):
         """
         standard_exponential(size=None, dtype=np.float64, method='zig', out=None)
 
@@ -426,12 +426,12 @@ cdef class Generator:
         """
         _dtype = np.dtype(dtype)
         if _dtype == np.float64:
-            if method == u'zig':
+            if method == 'zig':
                 return double_fill(&random_standard_exponential_fill, &self._bitgen, size, self.lock, out)
             else:
                 return double_fill(&random_standard_exponential_inv_fill, &self._bitgen, size, self.lock, out)
         elif _dtype == np.float32:
-            if method == u'zig':
+            if method == 'zig':
                 return float_fill(&random_standard_exponential_fill_f, &self._bitgen, size, self.lock, out)
             else:
                 return float_fill(&random_standard_exponential_inv_fill_f, &self._bitgen, size, self.lock, out)
diff --git a/numpy/random/bit_generator.pyx b/numpy/random/bit_generator.pyx
index 1b7d23527..123d77b40 100644
--- a/numpy/random/bit_generator.pyx
+++ b/numpy/random/bit_generator.pyx
@@ -584,8 +584,8 @@ cdef class BitGenerator():
         """
         return random_raw(&self._bitgen, self.lock, size, output)
 
-    def _benchmark(self, Py_ssize_t cnt, method=u'uint64'):
-        '''Used in tests'''
+    def _benchmark(self, Py_ssize_t cnt, method='uint64'):
+        """Used in tests"""
         return benchmark(&self._bitgen, self.lock, cnt, method)
 
     @property